1
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Melder JJ, Witzel S, Terres S, de Bary P, Krohne L, Rudolph M, K Hashmi AS. Synthesis of 2,3-Dihydrobenzofurans via a Photochemical Gold-Mediated Atom Transfer Radical Addition Reaction. Org Lett 2024; 26:5664-5669. [PMID: 38941620 DOI: 10.1021/acs.orglett.4c01626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
A light-mediated cyclization reaction initiated by an atom transfer radical addition (ATRA) of haloalkanes onto alkenes was exploited for the synthesis of functionalized dihydrobenzofurans. Initial investigation indicated that the dimeric gold catalyst [Au2(μ-dppm)2Cl2] can effectively be used for intermolecular ATRA reactions. Further, the reactivity was applied in a cascade-like cyclization for the preparation of dihydrobenzofuran derivatives. With the presented photochemical approach, the functionalization can be achieved directly from ortho-allylphenols in yields of up to 96% under mild conditions.
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Affiliation(s)
- Julian J Melder
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Sina Witzel
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Sophia Terres
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Philippe de Bary
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Lukas Krohne
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - A Stephen K Hashmi
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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2
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Ge W, Ming W, Li Z, Tang Y, Li YN, Yang J, Hao X, Yuan C. Design and Synthesis of Cytotoxic Water-Soluble Rocaglaol Derivatives against HEL Cells by Inhibiting Fli-1. JOURNAL OF NATURAL PRODUCTS 2024; 87:276-285. [PMID: 38253024 DOI: 10.1021/acs.jnatprod.3c00948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Rocaglaol, embedding a cyclopenta[b]benzofuran scaffold, was isolated mainly from the plants of Aglaia and exhibited nanomolar level antitumor activity. However, the drug-like properties of these compounds are poor. To improve the physicochemical properties of rocaglaol, 36 nitrogen-containing phenyl-substituted rocaglaol derivatives were designed and synthesized. These derivatives were tested for the inhibitory effects on three tumor cell lines, HEL, MDA-231, and SW480, using the MTT assay. Among them, 22 derivatives exhibited good cytotoxic activities with IC50 values between 0.11 ± 0.07 and 0.88 ± 0.02 μM. Fourteen derivatives exhibited stronger cytotoxicity than the positive control, adriamycin. In particular, a water-soluble derivative revealed selective cytotoxic effects on HEL cells (IC50 = 0.19 ± 0.01 μM). This compound could induce G1 cell cycle arrest and apoptosis in HEL cells. Western blot assays suggested that the water-soluble derivative could downregulate the expression of the marker proteins of apoptosis, PARP, caspase-3, and caspase-9, thus inducing apoptosis. Further CETSA and Western blot studies implied that this water-soluble derivative might be an inhibitor of friend leukemia integration 1 (Fli-1). This water-soluble derivative may serve as a potential antileukemia agent by suppressing the expression of Fli-1.
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Affiliation(s)
- Wei Ge
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Weikang Ming
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Zhenkun Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Yunyan Tang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Ya-Nan Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Jue Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Xiaojiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Chunmao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
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3
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Victoria C, Schulz G, Klöhn M, Weber S, Holicki CM, Brüggemann Y, Becker M, Gerold G, Eiden M, Groschup MH, Steinmann E, Kirschning A. Halogenated Rocaglate Derivatives: Pan-antiviral Agents against Hepatitis E Virus and Emerging Viruses. J Med Chem 2024; 67:289-321. [PMID: 38127656 PMCID: PMC10788925 DOI: 10.1021/acs.jmedchem.3c01357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 11/04/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023]
Abstract
The synthesis of a library of halogenated rocaglate derivatives belonging to the flavagline class of natural products, of which silvestrol is the most prominent example, is reported. Their antiviral activity and cytotoxicity profile against a wide range of pathogenic viruses, including hepatitis E, Chikungunya, Rift Valley Fever virus and SARS-CoV-2, were determined. The incorporation of halogen substituents at positions 4', 6 and 8 was shown to have a significant effect on the antiviral activity of rocaglates, some of which even showed enhanced activity compared to CR-31-B and silvestrol.
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Affiliation(s)
- Catherine Victoria
- Institute
of Organic Chemistry, Leibniz University
Hannover, Schneiderberg
1B, 30167 Hannover, Germany
| | - Göran Schulz
- Institute
of Organic Chemistry, Leibniz University
Hannover, Schneiderberg
1B, 30167 Hannover, Germany
| | - Mara Klöhn
- Department
of Molecular and Medical Virology, Ruhr-University
Bochum, 44801 Bochum, Germany
| | - Saskia Weber
- Federal
Research Institute in Animal Health (FLI), Südufer 10, 17493 Greifswald, Insel Riems, Germany
| | - Cora M. Holicki
- Federal
Research Institute in Animal Health (FLI), Südufer 10, 17493 Greifswald, Insel Riems, Germany
| | - Yannick Brüggemann
- Department
of Molecular and Medical Virology, Ruhr-University
Bochum, 44801 Bochum, Germany
| | - Miriam Becker
- Institute
for Biochemistry and Research Center for Emerging Infections and Zoonoses
(RIZ), University of Veterinary Medicine
Hannover, Bünteweg
2, 30559 Hannover, Germany
| | - Gisa Gerold
- Institute
for Biochemistry and Research Center for Emerging Infections and Zoonoses
(RIZ), University of Veterinary Medicine
Hannover, Bünteweg
2, 30559 Hannover, Germany
- Wallenberg
Centre for Molecular Medicine (WCMM), Umeå
University, 901 87 Umeå, Sweden
- Department
of Clinical Microbiology, Virology, Umeå
University, 901 87 Umeå, Sweden
| | - Martin Eiden
- Federal
Research Institute in Animal Health (FLI), Südufer 10, 17493 Greifswald, Insel Riems, Germany
| | - Martin H. Groschup
- Federal
Research Institute in Animal Health (FLI), Südufer 10, 17493 Greifswald, Insel Riems, Germany
| | - Eike Steinmann
- Department
of Molecular and Medical Virology, Ruhr-University
Bochum, 44801 Bochum, Germany
| | - Andreas Kirschning
- Institute
of Organic Chemistry, Leibniz University
Hannover, Schneiderberg
1B, 30167 Hannover, Germany
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4
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Grindheim AK, Patil SS, Nebigil CG, Désaubry L, Vedeler A. The flavagline FL3 interferes with the association of Annexin A2 with the eIF4F initiation complex and transiently stimulates the translation of annexin A2 mRNA. Front Cell Dev Biol 2023; 11:1094941. [PMID: 37250892 PMCID: PMC10214161 DOI: 10.3389/fcell.2023.1094941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 04/28/2023] [Indexed: 05/31/2023] Open
Abstract
Introduction: Annexin A2 (AnxA2) plays a critical role in cell transformation, immune response, and resistance to cancer therapy. Besides functioning as a calcium- and lipidbinding protein, AnxA2 also acts as an mRNA-binding protein, for instance, by interacting with regulatory regions of specific cytoskeleton-associated mRNAs. Methods and Results: Nanomolar concentrations of FL3, an inhibitor of the translation factor eIF4A, transiently increases the expression of AnxA2 in PC12 cells and stimulates shortterm transcription/translation of anxA2 mRNA in the rabbit reticulocyte lysate. AnxA2 regulates the translation of its cognate mRNA by a feed-back mechanism, which can partly be relieved by FL3. Results obtained using the holdup chromatographic retention assay results suggest that AnxA2 interacts transiently with eIF4E (possibly eIF4G) and PABP in an RNA-independent manner while cap pulldown experiments indicate a more stable RNA-dependent interaction. Short-term (2 h) treatment of PC12 cells with FL3 increases the amount of eIF4A in cap pulldown complexes of total lysates, but not of the cytoskeletal fraction. AnxA2 is only present in cap analogue-purified initiation complexes from the cytoskeletal fraction and not total lysates confirming that AnxA2 binds to a specific subpopulation of mRNAs. Discussion: Thus, AnxA2 interacts with PABP1 and subunits of the initiation complex eIF4F, explaining its inhibitory effect on translation by preventing the formation of the full eIF4F complex. This interaction appears to be modulated by FL3. These novel findings shed light on the regulation of translation by AnxA2 and contribute to a better understanding of the mechanism of action of eIF4A inhibitors.
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Affiliation(s)
- Ann Kari Grindheim
- Department of Biomedicine, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Sudarshan S. Patil
- Department of Biomedicine, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Canan G. Nebigil
- Regenerative Nanomedicine Laboratory (UMR1260), Faculty of Medicine, FMTS, INSERM-University of Strasbourg, Strasbourg, France
| | - Laurent Désaubry
- Regenerative Nanomedicine Laboratory (UMR1260), Faculty of Medicine, FMTS, INSERM-University of Strasbourg, Strasbourg, France
| | - Anni Vedeler
- Department of Biomedicine, Faculty of Medicine, University of Bergen, Bergen, Norway
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5
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Saini M, Julius Ngwa C, Marothia M, Verma P, Ahmad S, Kumari J, Anand S, Vandana V, Goyal B, Chakraborti S, Pandey KC, Garg S, Pati S, Ranganathan A, Pradel G, Singh S. Characterization of Plasmodium falciparum prohibitins as novel targets to block infection in humans by impairing the growth and transmission of the parasite. Biochem Pharmacol 2023; 212:115567. [PMID: 37088154 DOI: 10.1016/j.bcp.2023.115567] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/04/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023]
Abstract
Prohibitins (PHBs) are highly conserved pleiotropic proteins as they have been shown to mediate key cellular functions. Here, we characterize PHBs encoding putative genes of Plasmodium falciparum by exploiting different orthologous models. We demonstrated that PfPHB1 (PF3D7_0829200) and PfPHB2 (PF3D7_1014700) are expressed in asexual and sexual blood stages of the parasite. Immunostaining indicated these proteins as mitochondrial residents as they were found to be localized as branched structures. We further validated PfPHBs as organellar proteins residing in Plasmodium mitochondria, where they interact with each other. Functional characterization was done in Saccharomyces cerevisiae orthologous model by expressing PfPHB1 and PfPHB2 in cells harboring respective mutants. The PfPHBs functionally complemented the yeast PHB1 and PHB2 mutants, where the proteins were found to be involved in stabilizing the mitochondrial DNA, retaining mitochondrial integrity and rescuing yeast cell growth. Further, Rocaglamide (Roc-A), a known inhibitor of PHBs and anti-cancerous agent, was tested against PfPHBs and as an antimalarial. Roc-A treatment retarded the growth of PHB1, PHB2, and ethidium bromide petite yeast mutants. Moreover, Roc-A inhibited growth of yeast PHBs mutants that were functionally complemented with PfPHBs, validating P. falciparum PHBs as one of the molecular targets for Roc-A. Roc-A treatment led to growth inhibition of artemisinin-sensitive (3D7), artemisinin-resistant (R539T) and chloroquine-resistant (RKL-9) parasites in nanomolar ranges. The compound was able to retard gametocyte and oocyst growth with significant morphological aberrations. Based on our findings, we propose the presence of functional mitochondrial PfPHB1 and PfPHB2 in P. falciparum and their druggability to block parasite growth.
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Affiliation(s)
- Monika Saini
- Department of Life Sciences, School of Natural Sciences, Shiv Nadar University, Delhi NCR, India; Division of Cellular and Applied Infection Biology, Institute of Zoology, RWTH Aachen University, Aachen, Germany; Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Che Julius Ngwa
- Division of Cellular and Applied Infection Biology, Institute of Zoology, RWTH Aachen University, Aachen, Germany
| | - Manisha Marothia
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Pritee Verma
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Shakeel Ahmad
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Jyoti Kumari
- Department of Life Sciences, School of Natural Sciences, Shiv Nadar University, Delhi NCR, India; Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Sakshi Anand
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Vandana Vandana
- ICMR-National Institute of Malaria Research, New Delhi, India
| | - Bharti Goyal
- ICMR-National Institute of Malaria Research, New Delhi, India
| | | | - Kailash C Pandey
- ICMR-National Institute of Malaria Research, New Delhi, India; Academic Council of Scientific and Innovative Research, Faridabad, India
| | - Swati Garg
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Soumya Pati
- Department of Life Sciences, School of Natural Sciences, Shiv Nadar University, Delhi NCR, India
| | - Anand Ranganathan
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
| | - Gabriele Pradel
- Division of Cellular and Applied Infection Biology, Institute of Zoology, RWTH Aachen University, Aachen, Germany
| | - Shailja Singh
- Department of Life Sciences, School of Natural Sciences, Shiv Nadar University, Delhi NCR, India; Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India.
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6
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Wu X, Yang X, Varier KM, Rao Q, Song J, Huang L, Huang Y, Gajendran B, He Z, Yuan C, Li Y. Synthetic flavagline derivative 1-chloroacetylrocaglaol promotes apoptosis in K562 erythroleukemia cells through miR-17-92 cluster genes. Arch Pharm (Weinheim) 2022; 355:e2200367. [PMID: 36216575 DOI: 10.1002/ardp.202200367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/07/2022]
Abstract
Chronic myeloid leukemia accounts for human deaths worldwide and could enhance sevenfold by 2050. Thus, the treatment regimen for this disorder is highly crucial at this time. Flavaglines are a natural class of cyclopentane benzofurans exhibiting various bioactivities like anticancer action. Despite the antiproliferative activity of flavaglines against diverse cancer cells, their roles and mechanism of action in chronic myeloid leukemia (CML) remain poorly understood. Thus, this study examines the antiproliferative effect of a newly synthesized flavagline derivative, 1-chloracetylrocaglaol (A2074), on erythroleukemia K562 cells and the zebrafish xenograft model. The study revealed that A2074 could inhibit proliferation, promote apoptosis, and boost megakaryocyte differentiation of K562 cells. This flavagline downregulated c-MYC and miR-17-92 cluster genes, targeting upregulation of the apoptotic protein Bcl-2-like protein 11 (BIM). The work uncovered a critical role of the c-MYC-miR-17-92-BIM axis in the growth and survival of CML cells.
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Affiliation(s)
- Xijun Wu
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Xinmei Yang
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Krishnapriya M Varier
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Qing Rao
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Jingrui Song
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Lei Huang
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Yubing Huang
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Babu Gajendran
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Zhixu He
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China
| | - Chunmao Yuan
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
| | - Yanmei Li
- State Key Laboratory for Functions and Applications of Medicinal Plants, Department of Immunology, School of Pharmaceutical Sciences, The Affiliated Jinyang Hospital, Guizhou Medical University, Guiyang, China.,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China
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7
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Li Y, Qiu J, Yi P, Yang J, Gu W, Li Y, Yuan C, Hao X. Isolation and synthesis of rocaglaol derivatives by inhibiting Wnt/β-catenin and MAPK signaling pathways against colorectal cancer. Bioorg Chem 2022; 129:106149. [PMID: 36116324 DOI: 10.1016/j.bioorg.2022.106149] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/30/2022] [Accepted: 09/08/2022] [Indexed: 11/02/2022]
Abstract
Eight rocaglaol derivatives with good cytotoxic activity (IC50: 0.013 ∼ 5.82 μM) were isolated from Aglaia odorata. Then, a series of novel derivatives with modifications on C3 of rocaglaol were designed, synthesized, and screened for their antitumor activities against three tumor cell lines (HEL, MDA-MB-231, and HCT116). A total of 44 derivatives exhibited significant cytotoxic activity with IC50 values lower than 1 μM. In particular, four derivatives (14, 20, 22j, and 22r) exhibited the best cytotoxic activity against HCT116 cells, with an IC50 value of 70 nM. Compound 22r with relatively low toxicity against normal cells and the best cytotoxic activity against HCT116 cells was selected for further study. Subsequent cellular mechanism studies showed that compound 22r induced apoptosis and G1 cell cycle arrest in HCT116 cells. Moreover, compound 22r inhibited both the Wnt/β-catenin and MAPK signaling pathways via key proteins, such as the phosphorylation of p38 and JNK, GSK-3β, Axin-2, etc. Therefore, our present results suggest that compound 22r is a potential candidate for developing novel anti-colorectal cancer agents in the future.
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Affiliation(s)
- Yanan Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China
| | - Jie Qiu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China
| | - Ping Yi
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China
| | - Jue Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China
| | - Wei Gu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China
| | - Yanmei Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China.
| | - Chunmao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China.
| | - Xiaojiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, People's Republic of China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China.
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8
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Stereodivergent total synthesis of rocaglaol initiated by synergistic dual-metal-catalyzed asymmetric allylation of benzofuran-3(2H)-one. Chem 2022. [DOI: 10.1016/j.chempr.2022.04.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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9
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Agarwal G, Chang LS, Soejarto DD, Kinghorn AD. Update on Phytochemical and Biological Studies on Rocaglate Derivatives from Aglaia Species. PLANTA MEDICA 2021; 87:937-948. [PMID: 33784769 PMCID: PMC8481333 DOI: 10.1055/a-1401-9562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
With about 120 species, Aglaia is one of the largest genera of the plant family Meliaceae (the mahogany plants). It is native to the tropical rainforests of the Indo-Australian region, ranging from India and Sri Lanka eastward to Polynesia and Micronesia. Various Aglaia species have been investigated since the 1960s for their phytochemical constituents and biological properties, with the cyclopenta[b]benzofurans (rocaglates or flavaglines) being of particular interest. Phytochemists, medicinal chemists, and biologists have conducted extensive research in establishing these secondary metabolites as potential lead compounds with antineoplastic and antiviral effects, among others. The varied biological properties of rocaglates can be attributed to their unusual structures and their ability to act as inhibitors of the eukaryotic translation initiation factor 4A (eIF4A), affecting protein translation. The present review provides an update on the recently reported phytochemical constituents of Aglaia species, focusing on rocaglate derivatives. Furthermore, laboratory work performed on investigating the biological activities of these chemical constituents is also covered.
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Affiliation(s)
- Garima Agarwal
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States
| | - Long-Sheng Chang
- Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, Ohio, United States
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, Ohio, United States
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University College of Medicine, Columbus, Ohio, United States
- Department of Pathology, The Ohio State University College of Medicine, Columbus, Ohio, United States
| | - Djaja Doel Soejarto
- College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois, United States
- Science and Education, Field Museum, Chicago, Illinois, United States
| | - A. Douglas Kinghorn
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States
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10
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1-Aminomethyl SAR in a novel series of flavagline-inspired eIF4A inhibitors: Effects of amine substitution on cell potency and in vitro PK properties. Bioorg Med Chem Lett 2021; 47:128111. [PMID: 34353608 DOI: 10.1016/j.bmcl.2021.128111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 05/02/2021] [Accepted: 05/08/2021] [Indexed: 11/22/2022]
Abstract
Flavaglines such as silvestrol (1) and rocaglamide (2) constitute an interesting class of natural products with promising anticancer activities. Their mode of action is based on inhibition of eukaryotic initiation factor 4A (eIF4A) dependent translation through formation of a stable ternary complex with eIF4A and mRNA, thus blocking ribosome scanning. Herein we describe initial SAR studies in a novel series of 1-aminomethyl substituted flavagline-inspired eIF4A inhibitors. We discovered that a variety of N-substitutions at the 1-aminomethyl group are tolerated, making this position pertinent for property and ADME profile tuning. The findings presented herein are relevant to future drug design efforts towards novel eIF4A inhibitors with drug-like properties.
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11
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Kamlar M, Henriksson E, Císařová I, Malo M, Sundén H. Synthesis of cis-Oriented Vicinal Diphenylethylenes through a Lewis Acid-Promoted Annulation of Oxotriphenylhexanoates. J Org Chem 2021; 86:8660-8671. [PMID: 34138578 PMCID: PMC8279482 DOI: 10.1021/acs.joc.1c00445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study explores the synthesis of cyclic cis-vicinal phenyl ethylenes from oxotriphenylhexanoates. The reaction is a BBr3-promoted cyclization of 1,6-ketoesters (1) to five-membered diketo compounds (2). The synthesis is interesting as it constitutes one of the few examples of modular stereoselective synthesis of structures with a cis-oriented vicinal diphenylethylene. The core structure of 2 can be smoothly derivatized, which makes it a promising synthetic building block for further stereoselective synthetic applications.
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Affiliation(s)
- Martin Kamlar
- Chalmers University of Technology, Department of Chemistry and Chemical Engineering, Kemivägen 10, 412 96 Gothenburg, Sweden.,Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Elin Henriksson
- Chalmers University of Technology, Department of Chemistry and Chemical Engineering, Kemivägen 10, 412 96 Gothenburg, Sweden
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Marcus Malo
- University of Gothenburg, Department of Chemistry and Molecular Biology, Kemivägen 10, SE-412 96 Gothenburg, Sweden
| | - Henrik Sundén
- Chalmers University of Technology, Department of Chemistry and Chemical Engineering, Kemivägen 10, 412 96 Gothenburg, Sweden.,University of Gothenburg, Department of Chemistry and Molecular Biology, Kemivägen 10, SE-412 96 Gothenburg, Sweden
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12
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Yang HJ, Li YN, Yan C, Yang J, Zeng YR, Yi P, Li YM, Hao XJ, Yuan CM. Discovery and synthesis of rocaglaol derivatives inducing apoptosis in HCT116 cells via suppression of MAPK signaling pathway. Fitoterapia 2021; 151:104876. [PMID: 33675885 DOI: 10.1016/j.fitote.2021.104876] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 02/24/2021] [Accepted: 02/28/2021] [Indexed: 11/26/2022]
Abstract
Six rocaglaol derivatives were isolated from Dysoxylum gotadhora, and those compounds showed good cytotoxic activity with IC50 values ranging from 10 to 350 ng/mL against five different cancer cells. Obviously, further total synthesis of rocaglaol derivatives for medical chemistry study is of great significance. Then, twenty six rocaglaol derivatives including 25 new compounds were designed, synthesized, and evaluated for their cytotoxic activities against three human cancer cell lines: human colon cancer cells (HCT116), colorectal cancer stem cells (P6C), and human red leukocyte leukemia cells (HEL), using MTT assay. Most of derivatives showed good cytotoxic activities, with the lowest IC50 being 3.2 nM for HEL cells, which was 169 times stronger than that of the positive control (doxorubicin). Further mechanism study indicated that 11k could significantly suppress MAPK pathway in HCT116 cells, which may responsible for induction of apoptosis and cell cycle arrest.
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Affiliation(s)
- Hao-Jie Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China
| | - Ya-Nan Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China
| | - Chen Yan
- An Shun City People's Hospital, Anshun 561000, China
| | - Jue Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China
| | - Yan-Rong Zeng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China
| | - Ping Yi
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China
| | - Yan-Mei Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China.
| | - Xiao-Jiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
| | - Chun-Mao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; Key Laboratory of Chemistry for Natural Products of Guizhou Province, Chinese Academy of Sciences, Guiyang 550014, China.
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13
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Zobeiri M, Momtaz S, Parvizi F, Tewari D, Farzaei MH, Nabavi SM. Targeting Mitogen-Activated Protein Kinases by Natural Products: A Novel Therapeutic Approach for Inflammatory Bowel Diseases. Curr Pharm Biotechnol 2020; 21:1342-1353. [PMID: 31840607 DOI: 10.2174/1389201021666191216122555] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/01/2019] [Accepted: 11/21/2019] [Indexed: 12/11/2022]
Abstract
An increase in the prevalence of Inflammatory Bowel Diseases (IBD) as a multifactorial intestinal chronic inflammation as well as the absence of a certain cure, has created an innovative era in the management of IBD by molecule/pathway-based anti-inflammatory approaches. There are credible documentations that demonstrate Mitogen-Activated Protein Kinases (MAPK) acts as IBD regulator. Upon the activation of MAPK signalling pathway, the transcription and expression of various encoding inflammatory molecules implicated in IBD are altered, thereby exacerbating the inflammation development. The current pharmacological management of IBD, including drug and biological therapies are expensive, possess temporary relief and some adverse effects. In this context, a variety of dietary fruits or medicinal herbs have received worldwide attention versus the development of IBD. Infact, natural ingredients, such as Flavaglines, Fisetin, Myricitrin, Cardamonin, Curcumin, Octacosanol and Mangiferin possess protective and therapeutic effects against IBD via modulation of different segments of MAPK signaling pathway. This review paper calls attention to the role of MAPK signaling triggered by natural products in the prevention and treatment of IBD.
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Affiliation(s)
- Mehdi Zobeiri
- Internal Medicine Department, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Saeideh Momtaz
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran,Toxicology and Diseases Group (TDG), Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), and Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran,Gastrointestinal Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Fatemeh Parvizi
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Devesh Tewari
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144 411, India
| | - Mohammad H Farzaei
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Seyed M Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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14
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Désaubry L, Abou-Hamdan H. Unexpected Inversion of Configuration During the Carbamoylation of 1-Azaflavaglines. Synlett 2020. [DOI: 10.1055/s-0040-1707277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AbstractThe acylation of 8-demethoxy-1-azaflavaglines by dimethylcarbamoyl chloride was found to operate with an inversion of configuration, which is rationalized by the occurrence of styrylurea intermediate. The configuration-reversed products were not observed when the substrate was substituted by a methoxy in position 8, suggesting that an overstabilization of the carbocationic intermediate prevents this reaction to take place.
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15
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Nebigil CG, Moog C, Vagner S, Benkirane-Jessel N, Smith DR, Désaubry L. Flavaglines as natural products targeting eIF4A and prohibitins: From traditional Chinese medicine to antiviral activity against coronaviruses. Eur J Med Chem 2020; 203:112653. [PMID: 32693294 PMCID: PMC7362831 DOI: 10.1016/j.ejmech.2020.112653] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/06/2020] [Accepted: 07/07/2020] [Indexed: 12/19/2022]
Abstract
Flavaglines are cyclopenta[b]benzofurans found in plants of the genus Aglaia, several species of which are used in traditional Chinese medicine. These compounds target the initiation factor of translation eIF4A and the scaffold proteins prohibitins-1 and 2 (PHB1/2) to exert various pharmacological activities, including antiviral effects against several types of viruses, including coronaviruses. This review is focused on the antiviral effects of flavaglines and their therapeutic potential against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
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Affiliation(s)
- Canan G Nebigil
- INSERM U 1260, Regenerative Nanomedicine (RNM), FMTS, 11 Rue Humann, 67000, Strasbourg, France
| | - Christiane Moog
- INSERM U1109, LabEx TRANSPLANTEX, Fédération Hospitalo-Universitaire (FHU) OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, Strasbourg, France
| | - Stéphan Vagner
- Institut Curie, PSL Research University, CNRS UMR 3348, INSERM U1278, Orsay, France; Université Paris-Sud, Université Paris-Saclay, CNRS UMR 3348, INSERM U1278, Orsay, France
| | - Nadia Benkirane-Jessel
- INSERM U 1260, Regenerative Nanomedicine (RNM), FMTS, 11 Rue Humann, 67000, Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie Dentaire, Hôpitaux Universitaires de Strasbourg, 8 Rue de Ste Elisabeth, 67000, Strasbourg, France
| | - Duncan R Smith
- Institute of Molecular Biosciences, Mahidol University, Salaya, 73170, Thailand
| | - Laurent Désaubry
- INSERM U 1260, Regenerative Nanomedicine (RNM), FMTS, 11 Rue Humann, 67000, Strasbourg, France.
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16
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Abstract
The defining feature of the Nazarov cyclization is a 4π-conrotatory electrocyclization, resulting in the stereospecific formation of functionalized cyclopentanones. The reaction provides access to structural motifs that are found in many natural products and drug targets. Harnessing the full potential of the Nazarov cyclization broadens its utility by enabling the development of new methodologies and synthetic strategies. To achieve these goals through efficient cyclization design, it is helpful to think of the reaction as a two-stage process. The first stage involves a 4π-electrocyclization leading to the formation of an allylic cation, and the second stage corresponds to the fate of this cationic intermediate. With a complete understanding of the discrete events that characterize the overall process, one can optimize reactivity and control the selectivity of the different Stage 2 pathways.In this Account, we describe the development of methods that render the Nazarov cyclization catalytic and chemoselective, focusing specifically on advances made in our lab between 2002 and 2015. The initial discovery made in our lab involved reactions of electronically asymmetric ("polarized") substrates, which cyclize efficiently in the catalytic regime using mild Lewis acidic reagents. These cyclizations also exhibit selective eliminative behavior, increasing their synthetic utility. Research directed toward catalytic asymmetric Nazarov cyclization led to the serendipitous discovery of a 4π-cyclization coupled to a well-behaved Wagner-Meerwein rearrangement, representing an underexplored Stage 2 process. With careful choice of promoter and loading, it is possible to access either the rearrangement or the elimination pathway. Additional experimental and computational studies provided an effective model for anticipating the migratory behavior of substiutents in the rearrangements. Problem-solving efforts prompted investigation of alternative methods for generating pentadienyl cation intermediates, including oxidation of allenol ethers and addition of nucleophiles to dienyl diketones. These Nazarov cyclization variants afford cyclopentenone products with vicinal stereogenic centers and a different arrangement of substituents around the ring. A nucleophilic addition/cyclization/elimination sequence can be executed enantioselectively using catalytic amounts of a nonracemic chiral tertiary amine.In summary, the discovery and development of several new variations on the Nazarov electrocyclization are described, along with synthetic applications. This work illustrates how strongly substitution patterns can impact the efficiency of the 4π-electrocyclization (Stage 1), allowing for mild Lewis acid catalysis. Over the course of these studies, we have also identified new ways to access the critical pentadienyl cation intermediates and demonstrated strategies that exploit and control the different cationic pathways available post-electrocyclization (Stage 2 processes). These advances in Nazarov chemistry were subsequently employed in the synthesis of natural product targets such as (±)-merrilactone A, (±)-rocaglamide, and (±)-enokipodin B.
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Affiliation(s)
- Alison J. Frontier
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Jackson J. Hernandez
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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17
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Wang D, Tabti R, Elderwish S, Abou-Hamdan H, Djehal A, Yu P, Yurugi H, Rajalingam K, Nebigil CG, Désaubry L. Prohibitin ligands: a growing armamentarium to tackle cancers, osteoporosis, inflammatory, cardiac and neurological diseases. Cell Mol Life Sci 2020; 77:3525-3546. [PMID: 32062751 PMCID: PMC11104971 DOI: 10.1007/s00018-020-03475-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/28/2020] [Accepted: 01/30/2020] [Indexed: 02/08/2023]
Abstract
Over the last three decades, the scaffold proteins prohibitins-1 and -2 (PHB1/2) have emerged as key signaling proteins regulating a myriad of signaling pathways in health and diseases. Small molecules targeting PHBs display promising effects against cancers, osteoporosis, inflammatory, cardiac and neurodegenerative diseases. This review provides an updated overview of the various classes of PHB ligands, with an emphasis on their mechanism of action and therapeutic potential. We also describe how these ligands have been used to explore PHB signaling in different physiological and pathological settings.
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Affiliation(s)
- Dong Wang
- Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Redouane Tabti
- Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, Institut Le Bel, 4 rue Blaise Pascal, CS 90032, 67081, Strasbourg, France
| | - Sabria Elderwish
- Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, Institut Le Bel, 4 rue Blaise Pascal, CS 90032, 67081, Strasbourg, France
| | - Hussein Abou-Hamdan
- Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, Institut Le Bel, 4 rue Blaise Pascal, CS 90032, 67081, Strasbourg, France
| | - Amel Djehal
- Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, Institut Le Bel, 4 rue Blaise Pascal, CS 90032, 67081, Strasbourg, France
- Superior National School Biotechnology Taoufik Khaznadar, Ville universitaire Ali Mendjeli, BP E66 25100, Constantine, Algeria
| | - Peng Yu
- Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Hajime Yurugi
- Cell Biology Unit, University Medical Center Mainz, JGU-Mainz, Mainz, Germany
| | | | - Canan G Nebigil
- Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, Institut Le Bel, 4 rue Blaise Pascal, CS 90032, 67081, Strasbourg, France
| | - Laurent Désaubry
- Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China.
- Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, Institut Le Bel, 4 rue Blaise Pascal, CS 90032, 67081, Strasbourg, France.
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18
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Nilewski C, Michels TD, Xiang AX, Packard GK, Sprengeler PA, Eam B, Fish S, Thompson PA, Wegerski CJ, Ernst JT, Reich SH. Strategic Diastereoselective C1 Functionalization in the Aza-Rocaglamide Scaffold toward Natural Product-Inspired eIF4A Inhibitors. Org Lett 2020; 22:6257-6261. [DOI: 10.1021/acs.orglett.0c01944] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Christian Nilewski
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Theodore D. Michels
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Alan X. Xiang
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Garrick K. Packard
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Paul A. Sprengeler
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Boreth Eam
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Sarah Fish
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Peggy A. Thompson
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Christopher J. Wegerski
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Justin T. Ernst
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
| | - Siegfried H. Reich
- eFFECTOR Therapeutics, 11180 Roselle Street, Suite A, San Diego, California 92121, United States
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19
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Yurugi H, Zhuang Y, Siddiqui FA, Liang H, Rosigkeit S, Zeng Y, Abou-Hamdan H, Bockamp E, Zhou Y, Abankwa D, Zhao W, Désaubry L, Rajalingam K. A subset of flavaglines inhibits KRAS nanoclustering and activation. J Cell Sci 2020; 133:jcs244111. [PMID: 32501281 DOI: 10.1242/jcs.244111] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 04/30/2020] [Indexed: 08/31/2023] Open
Abstract
The RAS oncogenes are frequently mutated in human cancers and among the three isoforms (KRAS, HRAS and NRAS), KRAS is the most frequently mutated oncogene. Here, we demonstrate that a subset of flavaglines, a class of natural anti-tumour drugs and chemical ligands of prohibitins, inhibit RAS GTP loading and oncogene activation in cells at nanomolar concentrations. Treatment with rocaglamide, the first discovered flavagline, inhibited the nanoclustering of KRAS, but not HRAS and NRAS, at specific phospholipid-enriched plasma membrane domains. We further demonstrate that plasma membrane-associated prohibitins directly interact with KRAS, phosphatidylserine and phosphatidic acid, and these interactions are disrupted by rocaglamide but not by the structurally related flavagline FL1. Depletion of prohibitin-1 phenocopied the rocaglamide-mediated effects on KRAS activation and stability. We also demonstrate that flavaglines inhibit the oncogenic growth of KRAS-mutated cells and that treatment with rocaglamide reduces non-small-cell lung carcinoma (NSCLC) tumour nodules in autochthonous KRAS-driven mouse models without severe side effects. Our data suggest that it will be promising to further develop flavagline derivatives as specific KRAS inhibitors for clinical applications.
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Affiliation(s)
- Hajime Yurugi
- Cell Biology Unit, University Medical Center Mainz, Johannes Gutenberg University, D 55131 Mainz, Germany
| | - Yinyin Zhuang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637457 Singapore
| | - Farid A Siddiqui
- Turku Centre for Biotechnology, Åbo Akademi University, Tykistökatu 6B, 20520 Turku, Finland
| | - Hong Liang
- Department of Integrative Biology and Pharmacology, Mcgovern Medical School, UT Health, 6431 Fannin St. MSE R382, Houston, TX 77030, USA
| | - Sebastian Rosigkeit
- Cell Biology Unit, University Medical Center Mainz, Johannes Gutenberg University, D 55131 Mainz, Germany
| | - Yongpeng Zeng
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637457 Singapore
| | - Hussein Abou-Hamdan
- Therapeutic Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, University of Strasbourg, 4 rue Blaise Pascal, CS 90032, 67081 Strasbourg, France
| | - Ernesto Bockamp
- Institute for Translational Immunology and Research Center for Immunotherapy, University Medical Center, Johannes Gutenberg University, D 55131 Mainz, Germany
| | - Yong Zhou
- Department of Integrative Biology and Pharmacology, Mcgovern Medical School, UT Health, 6431 Fannin St. MSE R382, Houston, TX 77030, USA
| | - Daniel Abankwa
- Turku Centre for Biotechnology, Åbo Akademi University, Tykistökatu 6B, 20520 Turku, Finland
- Cancer Cell Biology and Drug Discovery Group, Life Sciences Research Unit University of Luxembourg, L 4362 Esch-sur-Alzette, Luxembourg
| | - Wenting Zhao
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637457 Singapore
| | - Laurent Désaubry
- Therapeutic Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE 2033), CNRS, University of Strasbourg, 4 rue Blaise Pascal, CS 90032, 67081 Strasbourg, France
| | - Krishnaraj Rajalingam
- Cell Biology Unit, University Medical Center Mainz, Johannes Gutenberg University, D 55131 Mainz, Germany
- University Cancer Center Mainz, University Medical Center Mainz, D 55131 Mainz, Germany
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20
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Ernst JT, Thompson PA, Nilewski C, Sprengeler PA, Sperry S, Packard G, Michels T, Xiang A, Tran C, Wegerski CJ, Eam B, Young NP, Fish S, Chen J, Howard H, Staunton J, Molter J, Clarine J, Nevarez A, Chiang GG, Appleman JR, Webster KR, Reich SH. Design of Development Candidate eFT226, a First in Class Inhibitor of Eukaryotic Initiation Factor 4A RNA Helicase. J Med Chem 2020; 63:5879-5955. [PMID: 32470302 DOI: 10.1021/acs.jmedchem.0c00182] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Dysregulation of protein translation is a key driver for the pathogenesis of many cancers. Eukaryotic initiation factor 4A (eIF4A), an ATP-dependent DEAD-box RNA helicase, is a critical component of the eIF4F complex, which regulates cap-dependent protein synthesis. The flavagline class of natural products (i.e., rocaglamide A) has been shown to inhibit protein synthesis by stabilizing a translation-incompetent complex for select messenger RNAs (mRNAs) with eIF4A. Despite showing promising anticancer phenotypes, the development of flavagline derivatives as therapeutic agents has been hampered because of poor drug-like properties as well as synthetic complexity. A focused effort was undertaken utilizing a ligand-based design strategy to identify a chemotype with optimized physicochemical properties. Also, detailed mechanistic studies were undertaken to further elucidate mRNA sequence selectivity, key regulated target genes, and the associated antitumor phenotype. This work led to the design of eFT226 (Zotatifin), a compound with excellent physicochemical properties and significant antitumor activity that supports clinical development.
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Affiliation(s)
- Justin T Ernst
- Inception Therapeutics, 6175 Nancy Ridge Drive, San Diego, California 92121, United States
| | - Peggy A Thompson
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | - Christian Nilewski
- Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Paul A Sprengeler
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | - Samuel Sperry
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | - Garrick Packard
- Inception Therapeutics, 6175 Nancy Ridge Drive, San Diego, California 92121, United States
| | - Theodore Michels
- GossamerBio., 3013 Science Park Road, San Diego, California 92121, United States
| | - Alan Xiang
- WuXi AppTec, 6114 Nancy Ridge Drive, San Diego, California 92121, United States
| | - Chinh Tran
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | | | - Boreth Eam
- Calporta Therapeutics, 11099 North Torrey Poines Rd., La Jolla, California 92037, United States
| | - Nathan P Young
- Casma Therapeutics, 400 Technology Square, Cambridge, California 02139, United States
| | - Sarah Fish
- Plexium, Inc., 11585 Sorrento Valley Rd., San Diego, California 92121, United States
| | - Joan Chen
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | - Haleigh Howard
- Providence Portland Medical Center, 4805 NE Glisan Street, Portland, Oregon 97213, United States
| | - Jocelyn Staunton
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | - Jolene Molter
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | - Jeff Clarine
- GossamerBio., 3013 Science Park Road, San Diego, California 92121, United States
| | - Andres Nevarez
- Escient Pharmaceuticals, 10578 Science Center Dr., San Diego, California 92121, United States
| | - Gary G Chiang
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
| | - Jim R Appleman
- Primmune Therapeutics, 3210 Merryfield Row, San Diego, California 92121, United States
| | - Kevin R Webster
- Frontier Medicines Corp., 151 Oyster Point Blvd., South San Francisco, California 94080, United States
| | - Siegfried H Reich
- eFFECTOR Therapeutics, 11180 Roselle Street, San Diego, California 92121, United States
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21
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Wang JK, Guo Q, Zhang XW, Wang LC, Liu Q, Tu PF, Jiang Y, Zeng KW. Aglaia odorata Lour. extract inhibit ischemic neuronal injury potentially via suppressing p53/Puma-mediated mitochondrial apoptosis pathway. JOURNAL OF ETHNOPHARMACOLOGY 2020; 248:112336. [PMID: 31669102 DOI: 10.1016/j.jep.2019.112336] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 10/14/2019] [Accepted: 10/21/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aglaia odorata Lour. is a traditional Chinese medicinal plant possessing properties of improving blood circulation, and it is widely used in the treatment of dizziness, traumatic injuries and bruises. AIM OF STUDY In this study, we are aimed to investigate the cerebral protection effect of the extracts from leaves of Aglaia odorata Lour. (ELA) and the potential mechanism in vivo and in vitro. MATERIALS AND METHODS The therapeutic effect of ELA on ischemic cerebral stroke was measured on a middle cerebral artery occlusion (MCAO) rat model. Protective effect of ELA on oxygen-glucose deprivation/reperfusion (OGD/R)-induced PC12 cells was measured by MTT assay. The apoptotic cells were observed by Hoechst 33258 staining and acridine orange/ethidium bromide double staining assay. Mitochondria were observed by Mitotracker staining assay. The mitochondrial membrane potential was determined by JC-1 staining assay. Western blot was used to investigate the effects of ELA on apoptosis-related proteins. RESULTS We showed that ELA was an effective neuroprotective agent. In vivo experiments, ELA exerted significant protective effect on MCAO model. TTC staining showed that ELA could reduce cerebral infarction area against MCAO insult. HE and Nissl's staining indicated that ELA could reverse the damage of cortex and hippocampus caused by MCAO. In vitro experiments, ELA showed significant protective effect on OGD/R-induced PC12 cells by reducing the number of apoptotic cells, increasing mitochondrial membrane potential, and reducing superoxide aggregation, further suppressing mitochondrial caspase-9/3 apoptosis pathway. Moreover, protective effect of ELA on mitochondrial function may be exerted by inhibiting p53/Puma signal pathway. CONCLUSION Our results suggest that ELA exerts a marked neuroprotective effect against cerebral ischemia potentially via suppressing p53/Puma-mediated mitochondrial caspase-9/3 apoptosis pathway.
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Affiliation(s)
- Jing-Kang Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Qiang Guo
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Xiao-Wen Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Li-Chao Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Qian Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Peng-Fei Tu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Yong Jiang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Ke-Wu Zeng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China.
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22
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Elderwish S, Audebrand A, Nebigil CG, Désaubry L. Discovery of 3,3'-pyrrolidinyl-spirooxindoles as cardioprotectant prohibitin ligands. Eur J Med Chem 2019; 186:111859. [PMID: 31735574 DOI: 10.1016/j.ejmech.2019.111859] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/04/2019] [Accepted: 11/05/2019] [Indexed: 01/08/2023]
Abstract
The scaffold proteins prohibitins-1 and 2 (PHB1/2) play many important roles in coordinating many cell signaling pathways and represent emerging targets in cardiology and oncology. We previously reported that a family of natural products derivatives, flavaglines, binds to PHB1/2 to exert cardioprotectant and anti-cancer effects. However, flavaglines also target the initiation factor of translation eIF4A, which doesn't contribute to cardioprotection and may even induce some adverse effects. Herein, we report the development of a convenient and robust synthesis of the new PHB2 ligand 2'-phenylpyrrolidinyl-spirooxindole, and its analogues. We discovered that these compounds displays cardioprotective effect against doxorubicin mediated cardiotoxicity and uncovered the structural requirement for this activity. We identified in particular some analogues that are more cardioprotectant than flavaglines. Pull-down experiments demonstrated that these compounds bind not only to PHB2 but also PHB1. These novel PHB ligands may provide the basis for the development of new drugs candidates to protect the heart against the adverse effects of anticancer treatments.
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Affiliation(s)
- Sabria Elderwish
- Laboratory of Medicinal Chemistry and Cardio-oncology, CNRS, 4 rue Blaise Pascal, 67081, Strasbourg, France
| | - Anaïs Audebrand
- Laboratory of Medicinal Chemistry and Cardio-oncology, CNRS, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
| | - Canan G Nebigil
- Laboratory of Medicinal Chemistry and Cardio-oncology, CNRS, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
| | - Laurent Désaubry
- Laboratory of Medicinal Chemistry and Cardio-oncology, CNRS, 4 rue Blaise Pascal, 67081, Strasbourg, France.
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23
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Agarwal G, Wilson JR, Kurina SJ, Anaya-Eugenio GD, Ninh TN, Burdette JE, Soejarto DD, Cheng X, de Blanco EJC, Rakotondraibe LH, Kinghorn AD. Structurally Modified Cyclopenta[ b]benzofuran Analogues Isolated from Aglaia perviridis. JOURNAL OF NATURAL PRODUCTS 2019; 82:2870-2877. [PMID: 31621322 PMCID: PMC6819999 DOI: 10.1021/acs.jnatprod.9b00631] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Four new cyclopenta[b]benzofuran derivatives based on an unprecedented carbon skeleton (1-4), with a dihydrofuran ring fused to dioxanyl and aryl rings, along with a new structural analogue (5) of 5‴-episilvestrol (episilvestrol, 7), were isolated from an aqueous extract of a large-scale re-collection of the roots of Aglaia perviridis collected in Vietnam. Compound 5 demonstrated mutarotation in solution due to the presence of a hydroxy group at C-2‴, leading to the isolation of a racemic mixture, despite being purified on a chiral-phase HPLC column. Silvestrol (6) and episilvestrol (7) were isolated from the most potently cytotoxic chloroform subfraction of the roots. All new structures were elucidated using 1D and 2D NMR, HRESIMS, IR, UV, and ECD spectroscopic data. Of the five newly isolated compounds, only compound 5 exhibited cytotoxic activity against a human colon cancer (HT-29) and human prostate cancer cell line (PC-3), with IC50 values of 2.3 μM in both cases. The isolated compounds (1-5) double the number of dioxanyl ring-containing rocaglate analogues reported to date from Aglaia species and present additional information on the structural requirements for cancer cell line cytotoxicity within this compound class.
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Affiliation(s)
- Garima Agarwal
- Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH 43210, United States
| | - James R. Wilson
- Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH 43210, United States
| | - Steven J. Kurina
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Gerardo D. Anaya-Eugenio
- Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH 43210, United States
| | - Tran N. Ninh
- Institute of Ecology and Biological Resources, Vietnamese Academy of Science and Technology, Hanoi, Vietnam
| | - Joanna E. Burdette
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Djaja D. Soejarto
- Institute of Ecology and Biological Resources, Vietnamese Academy of Science and Technology, Hanoi, Vietnam
- Science and Technology, Field Museum, Chicago, IL 60605, United States
| | - Xiaolin Cheng
- Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH 43210, United States
| | - Esperanza J. Carcache de Blanco
- Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH 43210, United States
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | | | - A. Douglas Kinghorn
- Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH 43210, United States
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24
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Yan C, Gong L, Chen L, Xu M, Abou-Hamdan H, Tang M, Désaubry L, Song Z. PHB2 (prohibitin 2) promotes PINK1-PRKN/Parkin-dependent mitophagy by the PARL-PGAM5-PINK1 axis. Autophagy 2019; 16:419-434. [PMID: 31177901 DOI: 10.1080/15548627.2019.1628520] [Citation(s) in RCA: 215] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Mitophagy, which is a conserved cellular process for selectively removing damaged or unwanted mitochondria, is critical for mitochondrial quality control and the maintenance of normal cellular physiology. However, the precise mechanisms underlying mitophagy remain largely unknown. Prior studies on mitophagy focused on the events in the mitochondrial outer membrane. PHB2 (prohibitin 2), which is a highly conserved membrane scaffold protein, was recently identified as a novel inner membrane mitophagy receptor that mediates mitophagy. Here, we report a new signaling pathway for PHB2-mediated mitophagy. Upon mitochondrial membrane depolarization or misfolded protein aggregation, PHB2 depletion destabilizes PINK1 in the mitochondria, which blocks the mitochondrial recruitment of PRKN/Parkin, ubiquitin and OPTN (optineurin), leading to an inhibition of mitophagy. In addition, PHB2 overexpression directly induces PRKN recruitment to the mitochondria. Moreover, PHB2-mediated mitophagy is dependent on the mitochondrial inner membrane protease PARL, which interacts with PHB2 and is activated upon PHB2 depletion. Furthermore, PGAM5, which is processed by PARL, participates in PHB2-mediated PINK1 stabilization. Finally, a ligand of PHB proteins that we synthesized, called FL3, was found to strongly inhibit PHB2-mediated mitophagy and to effectively block cancer cell growth and energy production at nanomolar concentrations. Thus, our findings reveal that the PHB2-PARL-PGAM5-PINK1 axis is a novel pathway of PHB2-mediated mitophagy and that targeting PHB2 with the chemical compound FL3 is a promising strategy for cancer therapy.Abbreviations: AIFM1: apoptosis inducing factor mitochondria associated 1; ATP5F1A/ATP5A1: ATP synthase F1 subunit alpha; BAF: bafilomycin A1; CALCOCO2/NDP52: calcium binding and coiled-coil domain 2; CCCP: chemical reagent carbonyl cyanide m-chlorophenyl hydrazine; FL3: flavaglines compound 3; HSPD1/HSP60: heat shock protein family D (Hsp60) member 1; LC3B/MAP1LC3B: microtubule associated protein 1 light chain 3 beta; MEF: mouse embryo fibroblasts; MPP: mitochondrial-processing peptidase; MT-CO2/COX2: mitochondrially encoded cytochrome c oxidase II; MTS: mitochondrial targeting sequence; OA: oligomycin and antimycin A; OPTN: optineurin; OTC: ornithine carbamoyltransferase; PARL: presenilin associated rhomboid like; PBS: phosphate-buffered saline; PGAM5: PGAM family member 5, mitochondrial serine/threonine protein phosphatase; PHB: prohibitin; PHB2: prohibitin 2; PINK1: PTEN induced kinase 1; PRKN/Parkin: parkin RBR E3 ubiquitin protein ligase; Roc-A: rocaglamide A; TOMM20: translocase of outer mitochondrial membrane 20; TUBB: tubulin beta class I.
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Affiliation(s)
- Chaojun Yan
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, Hubei, PR. China
| | - Longlong Gong
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, Hubei, PR. China
| | - Li Chen
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, Hubei, PR. China
| | - Meng Xu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, Hubei, PR. China
| | - Hussein Abou-Hamdan
- Faculty of Pharmacy, University of Strasbourg-CNRS, Illkirch, France.,Laboratory of Cardio-Oncology and Medicinal Chemistry (FRE2033), CNRS, University of Strasbourg, Strasbourg, France
| | - Mingliang Tang
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, Hubei, PR. China
| | - Laurent Désaubry
- Faculty of Pharmacy, University of Strasbourg-CNRS, Illkirch, France.,Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Zhiyin Song
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, Hubei, PR. China
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25
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The Evaluation of the Effects of N-Acetylcysteine on Cisplatin-Induced Alterations in Exploratory Activity in Elevated Plus Maze Test in Rats. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2019. [DOI: 10.1515/sjecr-2017-0053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Abstract
The aim of this study was to evaluate the potential beneficial effect of N-acetylcysteine (NAC) on cisplatin-induced alterations in anxiety levels in rats, by means of parameters of the exploratory activity obtained in the elevated plus maze (EPM) test. Animals were divided into four groups: control group, cisplatin group (7.5 mg/kg/weekly of cisplatin), N-acetylcysteine group (500 mg/kg/weekly of NAC), and cisplatin plus N-acetylcysteine group (7.5 mg/kg/weekly of cisplatin, and 500 mg/kg/weekly of NAC). After two weeks of treatment, exploratory activity (estimated by means of the number of rearings, head-dippings and the number of total exploratory activity episodes) was significantly reduced in cisplatin group comparing to control values. Although NAC induced no alterations in exploratory activity when applied alone, simultaneous administration with cisplatin resulted in significant attenuation of cisplatin-induced decline in exploratory activity. The exploratory activity gradually decreased in time-dependent manner during five minutes of EPM test in all groups. The results of this study confirmed clear beneficial effect of NAC supplementation against cisplatin- induced neurotoxicity in rats. Antioxidative properties of NAC were manifested through restoration of exploratory activity, confirming that NAC administration can attenuate anxiogenic effect of cisplatin therapy. Those results could recommend NAC supplementation as a potential protection against cisplatin-induced neurotoxicity.
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26
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Affiliation(s)
- Meng Yao Zhang
- Research School of Chemistry, Australian National University, Acton, ACT 2601, Australia
| | - Lara R. Malins
- Research School of Chemistry, Australian National University, Acton, ACT 2601, Australia
| | - Jas S. Ward
- Research School of Chemistry, Australian National University, Acton, ACT 2601, Australia
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27
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Garrido MF, Martin NJP, Bertrand M, Gaudin C, Commo F, El Kalaany N, Al Nakouzi N, Fazli L, Del Nery E, Camonis J, Perez F, Lerondel S, Le Pape A, Compagno D, Gleave M, Loriot Y, Désaubry L, Vagner S, Fizazi K, Chauchereau A. Regulation of eIF4F Translation Initiation Complex by the Peptidyl Prolyl Isomerase FKBP7 in Taxane-resistant Prostate Cancer. Clin Cancer Res 2018; 25:710-723. [PMID: 30322877 DOI: 10.1158/1078-0432.ccr-18-0704] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 07/29/2018] [Accepted: 10/10/2018] [Indexed: 11/16/2022]
Abstract
PURPOSE Targeted therapies that use the signaling pathways involved in prostate cancer are required to overcome chemoresistance and improve treatment outcomes for men. Molecular chaperones play a key role in the regulation of protein homeostasis and are potential targets for overcoming chemoresistance.Experimental Design: We established 4 chemoresistant prostate cancer cell lines and used image-based high-content siRNA functional screening, based on gene-expression signature, to explore mechanisms of chemoresistance and identify new potential targets with potential roles in taxane resistance. The functional role of a new target was assessed by in vitro and in vivo silencing, and mass spectrometry analysis was used to identify its downstream effectors. RESULTS We identified FKBP7, a prolyl-peptidyl isomerase overexpressed in docetaxel-resistant and in cabazitaxel-resistant prostate cancer cells. This is the first study to characterize the function of human FKBP7 and explore its role in cancer. We discovered that FKBP7 was upregulated in human prostate cancers and its expression correlated with the recurrence observed in patients receiving docetaxel. FKBP7 silencing showed that FKBP7 is required to maintain the growth of chemoresistant cell lines and chemoresistant tumors in mice. Mass spectrometry analysis revealed that FKBP7 interacts with eIF4G, a component of the eIF4F translation initiation complex, to mediate the survival of chemoresistant cells. Using small-molecule inhibitors of eIF4A, the RNA helicase component of eIF4F, we were able to kill docetaxel- and cabazitaxel-resistant cells. CONCLUSIONS Targeting FKBP7 or the eIF4G-containing eIF4F translation initiation complex could be novel therapeutic strategies to eradicate taxane-resistant prostate cancer cells.
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Affiliation(s)
- Marine F Garrido
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | - Nicolas J-P Martin
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | - Matthieu Bertrand
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | - Catherine Gaudin
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | - Frédéric Commo
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | - Nassif El Kalaany
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | - Nader Al Nakouzi
- Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | - Ladan Fazli
- Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | - Elaine Del Nery
- Institut Curie, PSL Research University, Paris, France.,Biophenics High-Content Screening Laboratory, Cell and Tissue Imaging Facility (PICT-IBiSA), Paris, France
| | - Jacques Camonis
- Institut Curie, PSL Research University, Paris, France.,Biophenics High-Content Screening Laboratory, Cell and Tissue Imaging Facility (PICT-IBiSA), Paris, France.,INSERM, U830, Paris, France
| | - Franck Perez
- Institut Curie, PSL Research University, Paris, France.,Biophenics High-Content Screening Laboratory, Cell and Tissue Imaging Facility (PICT-IBiSA), Paris, France.,CNRS, UMR144, Paris, France
| | | | | | - Daniel Compagno
- Molecular and Functional Glyco-Oncology Lab, IQUIBICEN-CONICET, Facultad de Ciencias Exactas y Naturales-Universidad de Buenos Aires, CABA, Argentina
| | - Martin Gleave
- Vancouver Prostate Centre and Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | - Yohann Loriot
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | | | - Stéphan Vagner
- Institut Curie, PSL Research University, Paris, France.,CNRS, UMR3348, Orsay, France
| | - Karim Fizazi
- Prostate Cancer Group, INSERM UMR981, Villejuif, France.,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
| | - Anne Chauchereau
- Prostate Cancer Group, INSERM UMR981, Villejuif, France. .,Univ Paris-Sud, UMR981, Villejuif, France.,Gustave Roussy, Villejuif, France
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28
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Fan T, Wang A, Li JQ, Ye JL, Zheng X, Huang PQ. Versatile One-Pot Synthesis of Polysubstituted Cyclopent-2-enimines from α,β-Unsaturated Amides: Imino-Nazarov Reaction. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805641] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ting Fan
- Department of Chemistry; Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials); College of Chemistry and Chemical Engineering; Xiamen University; Xiamen Fujian 361005 P. R. China
| | - Ao Wang
- Department of Chemistry; Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials); College of Chemistry and Chemical Engineering; Xiamen University; Xiamen Fujian 361005 P. R. China
| | - Jia-Qi Li
- Department of Chemistry; Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials); College of Chemistry and Chemical Engineering; Xiamen University; Xiamen Fujian 361005 P. R. China
| | - Jian-Liang Ye
- Department of Chemistry; Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials); College of Chemistry and Chemical Engineering; Xiamen University; Xiamen Fujian 361005 P. R. China
| | - Xiao Zheng
- Department of Chemistry; Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials); College of Chemistry and Chemical Engineering; Xiamen University; Xiamen Fujian 361005 P. R. China
| | - Pei-Qiang Huang
- Department of Chemistry; Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials); College of Chemistry and Chemical Engineering; Xiamen University; Xiamen Fujian 361005 P. R. China
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China
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29
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Fan T, Wang A, Li JQ, Ye JL, Zheng X, Huang PQ. Versatile One-Pot Synthesis of Polysubstituted Cyclopent-2-enimines from α,β-Unsaturated Amides: Imino-Nazarov Reaction. Angew Chem Int Ed Engl 2018; 57:10352-10356. [PMID: 29924902 DOI: 10.1002/anie.201805641] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Indexed: 01/03/2023]
Abstract
The imino-Nazarov cyclization of the polysubstituted pentan-1,4-diene-3-imines was realized. To this aim, a one-pot procedure involving reductive alkenyliminylation of α,β-unsaturated secondary amides with potassium organotrifluoroborates, followed by acid-catalyzed imino-Nazarov cyclization of the polysubstituted pentan-1,4-diene-3-imine intermediates, was studied systematically. This mild, operationally simple, flexible, and high-yielding protocol efficiently affords polysubstituted pentan-1,4-diene-3-imines, cyclopentenimines, and α-amino cyclopentenones, which are useful scaffolds in organic synthesis. The substituent effect at the C2 position of the polysubstituted pentan-1,4-diene-3-imines was studied by means of density-functional theory calculations. Results suggested that the electron-donating group facilitates the imino-Nazarov cyclization process.
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Affiliation(s)
- Ting Fan
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005, P. R. China
| | - Ao Wang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005, P. R. China
| | - Jia-Qi Li
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005, P. R. China
| | - Jian-Liang Ye
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005, P. R. China
| | - Xiao Zheng
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005, P. R. China
| | - Pei-Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005, P. R. China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, P. R. China
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30
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Yuan G, Chen X, Liu Z, Wei W, Shu Q, Abou-Hamdan H, Jiang L, Li X, Chen R, Désaubry L, Zhou F, Xie D. Flavagline analog FL3 induces cell cycle arrest in urothelial carcinoma cell of the bladder by inhibiting the Akt/PHB interaction to activate the GADD45α pathway. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:21. [PMID: 29415747 PMCID: PMC5804081 DOI: 10.1186/s13046-018-0695-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 01/31/2018] [Indexed: 12/20/2022]
Abstract
Background Prohibitin 1 (PHB) is a potential target for the treatment of urothelial carcinoma of the bladder (UCB). FL3 is a newly synthesized agent that inhibits cancer cell proliferation by targeting the PHB protein; however, the effect of FL3 in UCB cells remains unexplored. Methods FL3 was identified to be a potent inhibitor of UCB cell viability using CCK-8 (cell counting kit-8) assay. Then a series of in vitro and in vivo experiments were conducted to further demonstrate the inhibitory effect of FL3 on UCB cell proliferation and to determine the underlying mechanisms. Results FL3 inhibited UCB cell proliferation and growth both in vitro and in vivo. By targeting the PHB protein, FL3 inhibited the interaction of Akt and PHB as well as Akt-mediated PHB phosphorylation, which consequently decreases the localization of PHB in the mitochondria. In addition, FL3 treatment resulted in cell cycle arrest in the G2/M phase, and this inhibitory effect of FL3 could be mimicked by knockdown of PHB. Through the microarray analysis of mRNA expression after FL3 treatment and knockdown of PHB, we found that the mRNA expression of the growth arrest and DNA damage-inducible alpha (GADD45α) gene were significantly upregulated. When knocked down the expression of GADD45α, the inhibitory effect of FL3 on cell cycle was rescued, suggesting that FL3-induced cell cycle inhibition is GADD45α dependent. Conclusion Our data provide that FL3 inhibits the interaction of Akt and PHB, which in turn activates the GADD45α-dependent cell cycle inhibition in the G2/M phase. Electronic supplementary material The online version of this article (10.1186/s13046-018-0695-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Gangjun Yuan
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.,Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xin Chen
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.,Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Zhuowei Liu
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Wensu Wei
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.,Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Qinghai Shu
- School of Material Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Hussein Abou-Hamdan
- Therapeutic Innovation Laboratory, UMR7200, CNRS/University of Strasbourg, Strasbourg, France
| | - Lijuan Jiang
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Xiangdong Li
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Rixin Chen
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Laurent Désaubry
- Therapeutic Innovation Laboratory, UMR7200, CNRS/University of Strasbourg, Strasbourg, France. .,Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China.
| | - Fangjian Zhou
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China. .,Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, China.
| | - Dan Xie
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.
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Yu J, Wang C, Kong Q, Wu X, Lu JJ, Chen X. Recent progress in doxorubicin-induced cardiotoxicity and protective potential of natural products. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 40:125-139. [PMID: 29496165 DOI: 10.1016/j.phymed.2018.01.009] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 12/26/2017] [Accepted: 01/14/2018] [Indexed: 05/24/2023]
Abstract
BACKGROUND As an anthracycline antibiotic, doxorubicin (DOX) is one of the most potent and widely used chemotherapeutic agents for various types of solid tumors. Unfortunately, clinical application of this drug results in severe side effects of cardiotoxicity. PURPOSE We aim to review the research focused on elimination or reduction of DOX cardiotoxicity without affecting its anticancer efficacy by natural products. METHODS This study is based on pertinent papers that were retrieved by a selective search using relevant keywords in PubMed and ScienceDirect. The literature mainly focusing on natural products and herb extracts with therapeutic efficacies against experimental models both in vitro and in vivo was identified. RESULTS Current evidence revealed that multiple molecules and signaling pathways, such as oxidative stress, iron metabolism, and inflammation, are associated with DOX-induced cardiotoxicity. Based on these knowledge, various strategies were proposed, and thousands of compounds were screened. A number of natural products and herb extracts demonstrated potency in limiting DOX cardiotoxicity toward cultured cells and experimental animal models. CONCLUSIONS Though a panel of natural products and herb extracts demonstrate protective effects on DOX-induced cardiotoxicity in cells and animal models, their therapeutic potentials for clinical needs further investigation.
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Affiliation(s)
- Jie Yu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, PR China
| | - Changxi Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, PR China
| | - Qi Kong
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences & Comparative Medical Center, Peking Union Medical College, Beijing 100021, PR China
| | - Xiaxia Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, PR China
| | - Jin-Jian Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, PR China
| | - Xiuping Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, PR China.
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32
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Huang PQ, Huang YH, Wang SR. One-pot synthesis of N-heterocycles and enimino carbocycles by tandem dehydrative coupling–reductive cyclization of halo-sec-amides and dehydrative cyclization of olefinic sec-amides. Org Chem Front 2017. [DOI: 10.1039/c6qo00720a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We report a versatile approach for the one-pot synthesis of substituted pyrrolidine, piperidine, indolizidine, and quinolizidine ring systems, and enimino carbocycles.
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Affiliation(s)
- Pei-Qiang Huang
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Ying-Hong Huang
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Shu-Ren Wang
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
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33
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Sribalan R, Sangili A, Banuppriya G, Padmini V. An efficient synthesis of nitrile, tetrazole and urea from carbonyl compounds. NEW J CHEM 2017. [DOI: 10.1039/c6nj03860c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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34
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Hutt JT, Wolfe JP. Synthesis of 2,3-Dihydrobenzofurans via the Palladium Catalyzed Carboalkoxylation of 2-Allylphenols. Org Chem Front 2016; 3:1314-1318. [PMID: 28392926 PMCID: PMC5382964 DOI: 10.1039/c6qo00215c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new Pd-catalyzed alkene carboalkoxylation strategy for the preparation of 2,3-dihydrobenzofurans is described. This method effects the coupling of readily available 2-allylphenol derivatives with aryl triflates to generate a wide range of functionalized 2,3-dihydrobenzofurans in good yields and diastereoselectivities (up to >20:1). Use of newly developed reaction conditions that promote anti-heteropalladation of the alkene is essential in order to generate products in high yield.
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Affiliation(s)
- Johnathon T Hutt
- University of Michigan, Department of Chemistry, 930 N. University Ave., Ann Arbor, MI, 48109-1055, USA
| | - John P Wolfe
- University of Michigan, Department of Chemistry, 930 N. University Ave., Ann Arbor, MI, 48109-1055, USA
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35
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Moncunill-Massaguer C, Saura-Esteller J, Pérez-Perarnau A, Palmeri CM, Núñez-Vázquez S, Cosialls AM, González-Gironès DM, Pomares H, Korwitz A, Preciado S, Albericio F, Lavilla R, Pons G, Langer T, Iglesias-Serret D, Gil J. A novel prohibitin-binding compound induces the mitochondrial apoptotic pathway through NOXA and BIM upregulation. Oncotarget 2016; 6:41750-65. [PMID: 26497683 PMCID: PMC4747186 DOI: 10.18632/oncotarget.6154] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 09/30/2015] [Indexed: 01/08/2023] Open
Abstract
We previously described diaryl trifluorothiazoline compound 1a (hereafter referred to as fluorizoline) as a first-in-class small molecule that induces p53-independent apoptosis in a wide range of tumor cell lines. Fluorizoline directly binds to prohibitin 1 and 2 (PHBs), two proteins involved in the regulation of several cellular processes, including apoptosis. Here we demonstrate that fluorizoline-induced apoptosis is mediated by PHBs, as cells depleted of these proteins are highly resistant to fluorizoline treatment. In addition, BAX and BAK are necessary for fluorizoline-induced cytotoxic effects, thereby proving that apoptosis occurs through the intrinsic pathway. Expression analysis revealed that fluorizoline induced the upregulation of Noxa and Bim mRNA levels, which was not observed in PHB-depleted MEFs. Finally, Noxa−/−/Bim−/− MEFs and NOXA-downregulated HeLa cells were resistant to fluorizoline-induced apoptosis. All together, these findings show that fluorizoline requires PHBs to execute the mitochondrial apoptotic pathway.
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Affiliation(s)
- Cristina Moncunill-Massaguer
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - José Saura-Esteller
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Alba Pérez-Perarnau
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Claudia Mariela Palmeri
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Sonia Núñez-Vázquez
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Ana M Cosialls
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Diana M González-Gironès
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Helena Pomares
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Anne Korwitz
- Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Sara Preciado
- Barcelona Science Park and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona, Spain
| | - Fernando Albericio
- Barcelona Science Park and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona, Spain.,Institute for Research in Biomedicine Barcelona, Barcelona, Spain.,Department of Organic Chemistry, University of Barcelona, Barcelona, Spain
| | - Rodolfo Lavilla
- Barcelona Science Park and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona, Spain.,Laboratory of Organic Chemistry, Faculty of Pharmacy, University of Barcelona, Barcelona, Spain
| | - Gabriel Pons
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Thomas Langer
- Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Daniel Iglesias-Serret
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
| | - Joan Gil
- Departament de Ciències Fisiològiques II, Universitat de Barcelona-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Catalunya, Spain
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36
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Wang Q, Jiang Y, Sun R, Tang XY, Shi M. Gold-Catalyzed Fluorination-Hydration: Synthesis of α-Fluorobenzofuranones from 2-Alkynylphenol Derivatives. Chemistry 2016; 22:14739-45. [DOI: 10.1002/chem.201602545] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Qiang Wang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; School of Chemistry & Molecular Engineering; East China University of Science and Technology; Meilong Road No. 130 Shanghai 200237 China
| | - Yu Jiang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; School of Chemistry & Molecular Engineering; East China University of Science and Technology; Meilong Road No. 130 Shanghai 200237 China
| | - Run Sun
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; School of Chemistry & Molecular Engineering; East China University of Science and Technology; Meilong Road No. 130 Shanghai 200237 China
| | - Xiang-Ying Tang
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry (SIOC); Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; School of Chemistry & Molecular Engineering; East China University of Science and Technology; Meilong Road No. 130 Shanghai 200237 China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry (SIOC); Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
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37
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Zhao Q, Abou-Hamdan H, Désaubry L. Recent Advances in the Synthesis of Flavaglines, a Family of Potent Bioactive Natural Compounds Originating from Traditional Chinese Medicine. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600437] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Qian Zhao
- Laboratory of Therapeutic Innovation (UMR 7200); Faculty of Pharmacy; University of Strasbourg-CNRS; Illkirch France
| | - Hussein Abou-Hamdan
- Laboratory of Therapeutic Innovation (UMR 7200); Faculty of Pharmacy; University of Strasbourg-CNRS; Illkirch France
| | - Laurent Désaubry
- Laboratory of Therapeutic Innovation (UMR 7200); Faculty of Pharmacy; University of Strasbourg-CNRS; Illkirch France
- Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry; College of Biotechnology; Tianjin University of Science and Technology; 300457 Tianjin P. R. China
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38
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Razavi-Azarkhiavi K, Iranshahy M, Sahebkar A, Shirani K, Karimi G. The Protective Role of Phenolic Compounds Against Doxorubicin-induced Cardiotoxicity: A Comprehensive Review. Nutr Cancer 2016; 68:892-917. [PMID: 27341037 DOI: 10.1080/01635581.2016.1187280] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Although doxorubicin (DOX) is among the most widely used anticancer agents, its clinical application is hampered owing to its cardiotoxicity. Adjuvant therapy with an antioxidant has been suggested as a promising strategy to reduce DOX-induced adverse effects. In this context, many phenolic compounds have been reported to protect against DOX-induced cardiotoxicity. The cardioprotective effects of phenolic compounds are exerted via multiple mechanisms including inhibition of reactive oxygen species generation, apoptosis, NF-κB, p53, mitochondrial dysfunction, and DNA damage. In this review, we present a summary of the in vitro, in vivo, and clinical findings on the protective mechanisms of phenolic compounds against DOX-induced cardiotoxicity.
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Affiliation(s)
- Kamal Razavi-Azarkhiavi
- a Department of Pharmacodynamy and Toxicology , Faculty of Pharmacy, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Milad Iranshahy
- b Biotechnology Research Center and School of Pharmacy, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Amirhossein Sahebkar
- c Biotechnology Research Center, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Kobra Shirani
- d Department of Pharmacodynamy and Toxicology , Faculty of Pharmacy, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Gholamreza Karimi
- e Department of Pharmacodynamy and Toxicology , Faculty of Pharmacy, Mashhad University of Medical Sciences , Mashhad , Iran.,f Pharmaceutical Research Center and Pharmacy School, Mashhad University of Medical Sciences
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39
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Zhao Q, Tijeras-Raballand A, de Gramont A, Raymond E, Désaubry L. Bioisosteric modification of flavaglines. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.05.089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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40
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Wintachai P, Thuaud F, Basmadjian C, Roytrakul S, Ubol S, Désaubry L, Smith DR. Assessment of flavaglines as potential chikungunya virus entry inhibitors. Microbiol Immunol 2016; 59:129-41. [PMID: 25643977 PMCID: PMC7168458 DOI: 10.1111/1348-0421.12230] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 12/19/2014] [Accepted: 01/21/2015] [Indexed: 11/28/2022]
Abstract
Chikungunya virus (CHIKV) is a re‐emerging mosquito‐borne alphavirus that recently caused large epidemics in islands in, and countries around, the Indian Ocean. There is currently no specific drug for therapeutic treatment or for use as a prophylactic agent against infection and no commercially available vaccine. Prohibitin has been identified as a receptor protein used by chikungunya virus to enter mammalian cells. Recently, synthetic sulfonyl amidines and flavaglines (FLs), a class of naturally occurring plant compounds with potent anti‐cancer and cytoprotective and neuroprotective activities, have been shown to interact directly with prohibitin. This study therefore sought to determine whether three prohibitin ligands (sulfonyl amidine 1 m and the flavaglines FL3 and FL23) were able to inhibit CHIKV infection of mammalian Hek293T/17 cells. All three compounds inhibited infection and reduced virus production when cells were treated before infection but not when added after infection. Pretreatment of cells for only 15 minutes prior to infection followed by washing out of the compound resulted in significant inhibition of entry and virus production. These results suggest that further investigation of prohibitin ligands as potential Chikungunya virus entry inhibitors is warranted.
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41
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Flavaglines Ameliorate Experimental Colitis and Protect Against Intestinal Epithelial Cell Apoptosis and Mitochondrial Dysfunction. Inflamm Bowel Dis 2016; 22:55-67. [PMID: 26398710 PMCID: PMC5600465 DOI: 10.1097/mib.0000000000000592] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND Flavaglines are a family of natural compounds shown to have anti-inflammatory and cytoprotective effects in neurons and cardiomyocytes. Flavaglines target prohibitins as ligands, which are scaffold proteins that regulate mitochondrial function, cell survival, and transcription. This study tested the therapeutic potential of flavaglines to promote intestinal epithelial cell homeostasis and to protect against a model of experimental colitis in which inflammation is driven by epithelial ulceration. METHODS Survival and homeostasis of Caco2-BBE and IEC-6 intestinal epithelial cell lines were measured during treatment with the flavaglines FL3 or FL37 alone and in combination with the proinflammatory cytokines tumor necrosis factor (TNF) α and interferon γ. Wild-type mice were intraperitoneally injected with 0.1 mg/kg FL3 or vehicle once daily for 4 days during dextran sodium sulfate-induced colitis to test the in vivo anti-inflammatory effect of FL3. RESULTS FL3 and FL37 increased basal Caco2-BBE and IEC-6 cell viability, decreased apoptosis, and decreased epithelial monolayer permeability. FL3 and FL37 inhibited TNFα- and interferon γ-induced nuclear factor kappa B and Cox2 expression, apoptosis, and increased permeability in Caco2-BBE cells. FL3 and FL37 protected against TNFα-induced mitochondrial superoxide generation by preserving respiratory chain complex I activity and prohibitin expression. p38-MAPK activation was essential for the protective effect of FL3 and FL37 on barrier permeability and mitochondrial-derived reactive oxygen species production during TNFα treatment. Mice administered FL3 during dextran sodium sulfate colitis exhibited increased colonic prohibitin expression and p38-MAPK activation, preserved barrier function, and less inflammation. CONCLUSIONS These results suggest that flavaglines exhibit therapeutic potential against colitis and preserve intestinal epithelial cell survival, mitochondrial function, and barrier integrity.
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Qureshi R, Yildirim O, Gasser A, Basmadjian C, Zhao Q, Wilmet JP, Désaubry L, Nebigil CG. FL3, a Synthetic Flavagline and Ligand of Prohibitins, Protects Cardiomyocytes via STAT3 from Doxorubicin Toxicity. PLoS One 2015; 10:e0141826. [PMID: 26536361 PMCID: PMC4633129 DOI: 10.1371/journal.pone.0141826] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 10/13/2015] [Indexed: 11/18/2022] Open
Abstract
Aims The clinical use of doxorubicin for the treatment of cancer is limited by its cardiotoxicity. Flavaglines are natural products that have both potent anticancer and cardioprotective properties. A synthetic analog of flavaglines, FL3, efficiently protects mice from the cardiotoxicity of doxorubicin. The mechanism underlying this cardioprotective effect has yet to be elucidated. Methods and Results Here, we show that FL3 binds to the scaffold proteins prohibitins (PHBs) and thus promotes their translocation to mitochondria in the H9c2 cardiomyocytes. FL3 induces heterodimerization of PHB1 with STAT3, thereby ensuring cardioprotection from doxorubicin toxicity. This interaction is associated with phosphorylation of STAT3. A JAK2 inhibitor, WP1066, suppresses both the phosphorylation of STAT3 and the protective effect of FL3 in cardiomyocytes. The involvement of PHBs in the FL3-mediated cardioprotection was confirmed by means of small interfering RNAs (siRNAs) targeting PHB1 and PHB2. The siRNA knockdown of PHBs inhibits both phosphorylation of STAT3 and the cardioprotective effect of FL3. Conclusion Activation of mitochondrial STAT3/PHB1 complex by PHB ligands may be a new strategy against doxorubicin-induced cardiotoxicity and possibly other cardiac problems.
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Affiliation(s)
- Rehana Qureshi
- GPCRs in cardiobiology and Metabolism team, UMR 7242, CNRS–University of Strasbourg, LabEx Medalis, Strasbourg School of Biotechnology, Illkirch, France
| | - Onur Yildirim
- GPCRs in cardiobiology and Metabolism team, UMR 7242, CNRS–University of Strasbourg, LabEx Medalis, Strasbourg School of Biotechnology, Illkirch, France
| | - Adeline Gasser
- GPCRs in cardiobiology and Metabolism team, UMR 7242, CNRS–University of Strasbourg, LabEx Medalis, Strasbourg School of Biotechnology, Illkirch, France
| | - Christine Basmadjian
- Laboratory of Therapeutic Innovation (UMR 7200), Faculty of Pharmacy, University of Strasbourg–CNRS, Illkirch, France
| | - Qian Zhao
- Laboratory of Therapeutic Innovation (UMR 7200), Faculty of Pharmacy, University of Strasbourg–CNRS, Illkirch, France
| | - Jean-Philippe Wilmet
- GPCRs in cardiobiology and Metabolism team, UMR 7242, CNRS–University of Strasbourg, LabEx Medalis, Strasbourg School of Biotechnology, Illkirch, France
| | - Laurent Désaubry
- Laboratory of Therapeutic Innovation (UMR 7200), Faculty of Pharmacy, University of Strasbourg–CNRS, Illkirch, France
- Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, China
- * E-mail: (LD); (CGN)
| | - Canan G. Nebigil
- GPCRs in cardiobiology and Metabolism team, UMR 7242, CNRS–University of Strasbourg, LabEx Medalis, Strasbourg School of Biotechnology, Illkirch, France
- * E-mail: (LD); (CGN)
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43
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Koushyar S, Jiang WG, Dart DA. Unveiling the potential of prohibitin in cancer. Cancer Lett 2015; 369:316-22. [PMID: 26450374 DOI: 10.1016/j.canlet.2015.09.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 09/16/2015] [Accepted: 09/19/2015] [Indexed: 12/18/2022]
Abstract
Recently, research has shed new light on the role of Prohibitin (PHB) in cancer pathogenesis across an array of cancer types. Important mechanisms for PHB have been unveiled in several cancers, especially with regard to the androgen independent state of prostate cancer (PC) and oestrogen dependent breast cancer. However, PHB is often overlooked due to its complex but subtle roles within the cell. Having gathered both historical and current research exploring PHB's role in different cancer types including prostate and breast, here we aim to pair this information with its molecular properties in the hope of translating this information into a clinical perspective, thus discussing its possible use in future cancer therapy.
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Affiliation(s)
- Sarah Koushyar
- Cardiff China Medical Research Collaborative (CCMRC), Cardiff University, School of Medicine, Henry Welcome Building, Heath Park, Cardiff CF14 4XN, UK.
| | - Wen G Jiang
- Cardiff China Medical Research Collaborative (CCMRC), Cardiff University, School of Medicine, Henry Welcome Building, Heath Park, Cardiff CF14 4XN, UK
| | - D Alwyn Dart
- Cardiff China Medical Research Collaborative (CCMRC), Cardiff University, School of Medicine, Henry Welcome Building, Heath Park, Cardiff CF14 4XN, UK
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44
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Abdelnabi R, Neyts J, Delang L. Towards antivirals against chikungunya virus. Antiviral Res 2015; 121:59-68. [PMID: 26119058 PMCID: PMC7113767 DOI: 10.1016/j.antiviral.2015.06.017] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 06/18/2015] [Accepted: 06/24/2015] [Indexed: 12/25/2022]
Abstract
Chikungunya virus (CHIKV) has re-emerged in recent decades, causing major outbreaks of chikungunya fever in many parts of Africa and Asia, and since the end of 2013 also in Central and South America. Infections are usually associated with a low mortality rate, but can proceed into a painful chronic stage, during which patients may suffer from polyarthralgia and joint stiffness for weeks and even several years. There are no vaccines or antiviral drugs available for the prevention or treatment of CHIKV infections. Current therapy therefore consists solely of the administration of analgesics, antipyretics and anti-inflammatory agents to relieve symptoms. We here review molecules that have been reported to inhibit CHIKV replication, either as direct-acting antivirals, host-targeting drugs or those that act via a yet unknown mechanism. This article forms part of a symposium in Antiviral Research on "Chikungunya discovers the New World."
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Affiliation(s)
- Rana Abdelnabi
- Rega Institute for Medical Research, University of Leuven, Belgium
| | - Johan Neyts
- Rega Institute for Medical Research, University of Leuven, Belgium.
| | - Leen Delang
- Rega Institute for Medical Research, University of Leuven, Belgium
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45
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Zhou ZD, Xie SP, Sathiyamoorthy S, Saw WT, Sing TY, Ng SH, Chua HPH, Tang AMY, Shaffra F, Li Z, Wang H, Ho PGH, Lai MKP, Angeles DC, Lim TM, Tan EK. F-box protein 7 mutations promote protein aggregation in mitochondria and inhibit mitophagy. Hum Mol Genet 2015; 24:6314-30. [PMID: 26310625 DOI: 10.1093/hmg/ddv340] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 08/17/2015] [Indexed: 11/14/2022] Open
Abstract
The mutations of F-box protein 7 (FBXO7) gene (T22M, R378G and R498X) are associated with a severe form of autosomal recessive juvenile-onset Parkinson's disease (PD) (PARK 15). Here we demonstrated that wild-type (WT) FBXO7 is a stress response protein and it can play both cytoprotective and neurotoxic roles. The WT FBXO7 protein is vital to cell mitophagy and can facilitate mitophagy to protect cells, whereas mutant FBXO7 inhibits mitophagy. Upon stress, the endogenous WT FBXO7 gets up-regulated, concentrates into mitochondria and forms FBXO7 aggregates in mitochondria. However, FBXO7 mutations aggravate deleterious FBXO7 aggregation in mitochondria. The FBXO7 aggregation and toxicity can be alleviated by Proline, glutathione (GSH) and coenzyme Q10, whereas deleterious FBXO7 aggregation in mitochondria can be aggravated by prohibitin 1 (PHB1), a mitochondrial protease inhibitor. The overexpression of WT FBXO7 could lead to FBXO7 protein aggregation and dopamine neuron degeneration in transgenic Drosophila heads. The elevated FBXO7 expression and aggregation were identified in human fibroblast cells from PD patients. FBXO7 can also form aggregates in brains of PD and Alzheimer's disease. Our study provides novel pathophysiologic insights and suggests that FBXO7 may be a potential therapeutic target in FBXO7-linked neuron degeneration in PD.
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Affiliation(s)
- Zhi Dong Zhou
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore, Signature Research Program in Neuroscience and Behavioral Disorders, Duke-NUS Graduate Medical School Singapore, 8 College Road, Singapore, Singapore
| | - Shao Ping Xie
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | | | - Wuan Ting Saw
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Tan Ye Sing
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Shin Hui Ng
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Heidi Pek Hup Chua
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Alyssa Mei Yan Tang
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Fathima Shaffra
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Zeng Li
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Hongyan Wang
- Signature Research Program in Neuroscience and Behavioral Disorders, Duke-NUS Graduate Medical School Singapore, 8 College Road, Singapore, Singapore
| | - Patrick Ghim Hoe Ho
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore
| | - Mitchell Kim Peng Lai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Dario C Angeles
- Department of Neurology, Singapore General Hospital, Outram Road, Singapore, Singapore and
| | - Tit Meng Lim
- Department of Biological Science, National University of Singapore, 14 Science Drive 4, Singapore, Singapore
| | - Eng-King Tan
- National Neuroscience Institute of Singapore, 11 Jalan Tan Tock Seng, Singapore, Singapore, Signature Research Program in Neuroscience and Behavioral Disorders, Duke-NUS Graduate Medical School Singapore, 8 College Road, Singapore, Singapore, Department of Neurology, Singapore General Hospital, Outram Road, Singapore, Singapore and
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46
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Basmadjian C, Zhang F, Désaubry L. Novel carbocationic rearrangements of 1-styrylpropargyl alcohols. Beilstein J Org Chem 2015. [PMID: 26199656 PMCID: PMC4505300 DOI: 10.3762/bjoc.11.114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The dehydration and subsequent cyclization reactions of 1-styrylpropargyl alcohols was examined. In the course of these studies, numerous scaffolds were synthesized, including a furan, a cyclopentenone, an acyclic enone and even a naphthalenone. The diversity of these structural motifs lies in novel cascades of reactions originating from a common carbocationic manifold.
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Affiliation(s)
- Christine Basmadjian
- Laboratory of Therapeutic Innovation (UMR 7200), University of Strasbourg - CNRS, Faculty of Pharmacy, 67401 Illkirch, France
| | - Fan Zhang
- Laboratory of Therapeutic Innovation (UMR 7200), University of Strasbourg - CNRS, Faculty of Pharmacy, 67401 Illkirch, France
| | - Laurent Désaubry
- Laboratory of Therapeutic Innovation (UMR 7200), University of Strasbourg - CNRS, Faculty of Pharmacy, 67401 Illkirch, France
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47
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Piperidine-mediated annulation of 2-acylphenols with 4-nitrobenzaldehyde to 3-benzofuranones. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.05.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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48
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Basmadjian C, Zhao Q, Désaubry L. Exploratory studies toward a synthesis of flavaglines. A novel access to a highly substituted cyclopentenone intermediate. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.12.093] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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49
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Zhao L, Huang G, Guo B, Xu L, Chen J, Cao W, Zhao G, Wu X. Diastereo- and Enantioselective Propargylation of Benzofuranones Catalyzed by Pybox-Copper Complex. Org Lett 2014; 16:5584-7. [DOI: 10.1021/ol502615y] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Long Zhao
- Department
of Chemistry, College of Sciences, Shanghai University, 99 Shangda
Road, Shanghai 200444, China
| | - Guanxin Huang
- Department
of Chemistry, College of Sciences, Shanghai University, 99 Shangda
Road, Shanghai 200444, China
| | - Beibei Guo
- Department
of Chemistry, College of Sciences, Shanghai University, 99 Shangda
Road, Shanghai 200444, China
| | - Lijun Xu
- Key
Laboratory of Synthetic Organic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Jie Chen
- Department
of Chemistry, College of Sciences, Shanghai University, 99 Shangda
Road, Shanghai 200444, China
| | - Weiguo Cao
- Department
of Chemistry, College of Sciences, Shanghai University, 99 Shangda
Road, Shanghai 200444, China
| | - Gang Zhao
- Key
Laboratory of Synthetic Organic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Xiaoyu Wu
- Department
of Chemistry, College of Sciences, Shanghai University, 99 Shangda
Road, Shanghai 200444, China
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50
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von Grabowiecki Y, Licona C, Palamiuc L, Abreu P, Vidimar V, Coowar D, Mellitzer G, Gaiddon C. Regulation of a Notch3-Hes1 pathway and protective effect by a tocopherol-omega alkanol chain derivative in muscle atrophy. J Pharmacol Exp Ther 2014; 352:23-32. [PMID: 25326132 DOI: 10.1124/jpet.114.216879] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Muscular atrophy, a physiopathologic process associated with severe human diseases such as amyotrophic lateral sclerosis (ALS) or cancer, has been linked to reactive oxygen species (ROS) production. The Notch pathway plays a role in muscle development and in muscle regeneration upon physical injury. In this study, we explored the possibility that the Notch pathway participates in the ROS-related muscular atrophy occurring in cancer-associated cachexia and ALS. We also tested whether hybrid compounds of tocopherol, harboring antioxidant activity, and the omega-alkanol chain, presenting cytoprotective activity, might reduce muscle atrophy and impact the Notch pathway. We identified one tocopherol-omega alkanol chain derivative, AGT251, protecting myoblastic cells against known cytotoxic agents. We showed that this compound presenting antioxidant activity counteracts the induction of the Notch pathway by cytotoxic stress, leading to a decrease of Notch1 and Notch3 expression. At the functional level, these regulations correlated with a repression of the Notch target gene Hes1 and the atrophy/remodeling gene MuRF1. Importantly, we also observed an induction of Notch3 and Hes1 expression in two murine models of muscle atrophy: a doxorubicin-induced cachexia model and an ALS murine model expressing mutated superoxide dismutase 1. In both models, the induction of Notch3 and Hes1 were partially opposed by AGT251, which correlated with ameliorations in body and muscle weight, reduction of muscular atrophy markers, and improved survival. Altogether, we identified a compound of the tocopherol family that protects against muscle atrophy in various models, possibly through the regulation of the Notch pathway.
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Affiliation(s)
- Yannick von Grabowiecki
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
| | - Cynthia Licona
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
| | - Lavinia Palamiuc
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
| | - Paula Abreu
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
| | - Vania Vidimar
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
| | - Djalil Coowar
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
| | - Georg Mellitzer
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
| | - Christian Gaiddon
- INSERM U1113, Molecular Mechanisms of Stress Response and Pathologies, Strasbourg, France (Y.v.G., C.L., P.A., V.V., G.M., C.G.); Faculté de Médecine de Strasbourg, Strasbourg University, Strasbourg, France (Y.v.G., C.L., L.P., P.A., V.V., G.M., C.G.); and AxoGlia Therapeutics, Fentange, Luxembourg (D.C.)
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