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Marešová A, Jurášek M, Drašar PB, Dolenský B, Prokudina EA, Shalgunov V, Herth MM, Cumming P, Popkov A. A facile synthesis of precursor for the σ-1 receptor PET radioligand [ 18 F]FTC-146 and its radiofluorination. J Labelled Comp Radiopharm 2024; 67:59-66. [PMID: 38171540 DOI: 10.1002/jlcr.4081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 11/10/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024]
Abstract
The σ-1 receptor is a non-opioid transmembrane protein involved in various human pathologies including neurodegenerative diseases, inflammation, and cancer. The previously published ligand [18 F]FTC-146 is among the most promising tools for σ-1 molecular imaging by positron emission tomography (PET), with a potential for application in clinical diagnostics and research. However, the published six- or four-step synthesis of the tosyl ester precursor for its radiosynthesis is complicated and time-consuming. Herein, we present a simple one-step precursor synthesis followed by a one-step fluorine-18 labeling procedure that streamlines the preparation of [18 F]FTC-146. Instead of a tosyl-based precursor, we developed a one-step synthesis of the precursor analog AM-16 containing a chloride leaving group for the SN 2 reaction with 18 F-fluoride. 18 F-fluorination of AM-16 led to a moderate decay-corrected radiochemical yield (RCY = 7.5%) with molar activity (Am ) of 45.9 GBq/μmol. Further optimization of this procedure should enable routine radiopharmaceutical production of this promising PET tracer.
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Affiliation(s)
- Anna Marešová
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Praha 6, Czech Republic
| | - Michal Jurášek
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Praha 6, Czech Republic
| | - Pavel B Drašar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Praha 6, Czech Republic
| | - Bohumil Dolenský
- Department of Analytical Chemistry, University of Chemistry and Technology Prague, Praha 6, Czech Republic
| | - Elena A Prokudina
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Praha 6, Czech Republic
| | - Vladimir Shalgunov
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
- PET and Cyclotron Unit, Copenhagen University Hospital, Copenhagen, Denmark
| | - Matthias M Herth
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Paul Cumming
- Department of Nuclear Medicine, University Hospital Bern, Bern, Switzerland
- School of Psychology and Counselling, Queensland University of Technology, Kevin Grove, Queensland, Australia
| | - Alexander Popkov
- Institute of Organic Chemistry, Johannes Kepler University, Linz, Austria
- Samo Biomedical Centre, Pardubice, Czech Republic
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Jurášek M, Řehulka J, Hrubá L, Ivanová A, Gurská S, Mokshyna O, Trousil P, Huml L, Polishchuk P, Hajdúch M, Drašar PB, Džubák P. Triazole-based estradiol dimers prepared via CuAAC from 17α-ethinyl estradiol with five-atom linkers causing G2/M arrest and tubulin inhibition. Bioorg Chem 2023; 131:106334. [PMID: 36592487 DOI: 10.1016/j.bioorg.2022.106334] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Microtubule dynamic is exceptionally sensitive to modulation by small-molecule ligands. Our previous work presented the preparation of microtubule-targeting estradiol dimer (ED) with anticancer activity. In the present study, we explore the effect of selected linkers on the biological activity of the dimer. The linkers were designed as five-atom chains with carbon, nitrogen or oxygen in their centre. In addition, the central nitrogen was modified by a benzyl group with hydroxy or methoxy substituents and one derivative possessed an extended linker length. Thirteen new dimers were subjected to cytotoxicity assay and cell cycle profiling. Dimers containing linker with benzyl moiety substituted with one or more methoxy groups and longer branched ones were found inactive, whereas other structures had comparable efficacy as the original ED (e.g. D1 with IC50 = 1.53 µM). Cell cycle analysis and immunofluorescence proved the interference of dimers with microtubule assembly and mitosis. The proposed in silico model and calculated binding free energy by the MM-PBSA method were closely correlated with in vitro tubulin assembly assay.
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Affiliation(s)
- Michal Jurášek
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jiří Řehulka
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic
| | - Lenka Hrubá
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic
| | - Aleksandra Ivanová
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic
| | - Soňa Gurská
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic
| | - Olena Mokshyna
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic
| | - Pavel Trousil
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Lukáš Huml
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Pavel Polishchuk
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic
| | - Marián Hajdúch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic
| | - Pavel B Drašar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Petr Džubák
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, Hněvotínská 1333/5, 779 00 Olomouc, Czech Republic.
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3
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Jurášek M, Valečka J, Novotný I, Kejík Z, Fähnrich J, Marešová A, Tauchen J, Bartůněk P, Dolenský B, Jakubek M, Drašar PB, Králová J. Synthesis and biological evaluation of cationic TopFluor cholesterol analogues. Bioorg Chem 2021; 117:105410. [PMID: 34700109 DOI: 10.1016/j.bioorg.2021.105410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 04/25/2021] [Accepted: 10/03/2021] [Indexed: 12/17/2022]
Abstract
Cholesterol is not only a major component of the cell membrane, but also plays an important role in a wide range of biological processes and pathologies. It is therefore crucial to develop appropriate tools for visualizing intracellular cholesterol transport. Here, we describe new cationic analogues of BODIPY-Cholesterol (TopFluor-Cholesterol, TF-Chol), which combine a positive charge on the sterol side chain and a BODIPY group connected via a C-4 linker. In contrast to TF-Chol, the new analogues TF-1 and TF-3 possessing acetyl groups on the A ring (C-3 position on steroid) internalized much faster and displayed slightly different levels of intracellular localization. Their applicability for cholesterol monitoring was indicated by the fact that they strongly label compartments with accumulated cholesterol in cells carrying a mutation of the Niemann-Pick disease-associated cholesterol transporter, NPC1.
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Affiliation(s)
- Michal Jurášek
- University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jan Valečka
- Light microscopy core facility, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic
| | - Ivan Novotný
- Light microscopy core facility, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic
| | - Zdeněk Kejík
- University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jan Fähnrich
- University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Anna Marešová
- University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jan Tauchen
- Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague 6, Czech Republic
| | - Petr Bartůněk
- CZ-OPENSCREEN, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic
| | - Bohumil Dolenský
- University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Milan Jakubek
- University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Pavel B Drašar
- University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jarmila Králová
- CZ-OPENSCREEN, Institute of Molecular Genetics of the Czech Academy of Sciences, v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic.
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4
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Kodr D, Stanková J, Rumlová M, Džubák P, Řehulka J, Zimmermann T, Křížová I, Gurská S, Hajdúch M, Drašar PB, Jurášek M. Betulinic Acid Decorated with Polar Groups and Blue Emitting BODIPY Dye: Synthesis, Cytotoxicity, Cell-Cycle Analysis and Anti-HIV Profiling. Biomedicines 2021; 9:biomedicines9091104. [PMID: 34572290 PMCID: PMC8472287 DOI: 10.3390/biomedicines9091104] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/20/2021] [Accepted: 08/21/2021] [Indexed: 01/23/2023] Open
Abstract
Betulinic acid (BA) is a potent triterpene, which has shown promising potential in cancer and HIV-1 treatment. Here, we report a synthesis and biological evaluation of 17 new compounds, including BODIPY labelled analogues derived from BA. The analogues terminated by amino moiety showed increased cytotoxicity (e.g., BA had on CCRF-CEM IC50 > 50 μM, amine 3 IC50 0.21 and amine 14 IC50 0.29). The cell-cycle arrest was evaluated and did not show general features for all the tested compounds. A fluorescence microscopy study of six derivatives revealed that only 4 and 6 were detected in living cells. These compounds were colocalized with the endoplasmic reticulum and mitochondria, indicating possible targets in these organelles. The study of anti-HIV-1 activity showed that 8, 10, 16, 17 and 18 have had IC50i > 10 μM. Only completely processed p24 CA was identified in the viruses formed in the presence of compounds 4 and 12. In the cases of 2, 8, 9, 10, 16, 17 and 18, we identified not fully processed p24 CA and p25 CA-SP1 protein. This observation suggests a similar mechanism of inhibition as described for bevirimat.
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Affiliation(s)
- David Kodr
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, 16628 Prague, Czech Republic; (D.K.); (T.Z.); (P.B.D.)
| | - Jarmila Stanková
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, 77900 Olomouc, Czech Republic; (J.S.); (P.D.); (J.Ř.); (S.G.); (M.H.)
| | - Michaela Rumlová
- Department of Biotechnology, University of Chemistry and Technology Prague, 16628 Prague, Czech Republic; (M.R.); (I.K.)
| | - Petr Džubák
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, 77900 Olomouc, Czech Republic; (J.S.); (P.D.); (J.Ř.); (S.G.); (M.H.)
| | - Jiří Řehulka
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, 77900 Olomouc, Czech Republic; (J.S.); (P.D.); (J.Ř.); (S.G.); (M.H.)
| | - Tomáš Zimmermann
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, 16628 Prague, Czech Republic; (D.K.); (T.Z.); (P.B.D.)
| | - Ivana Křížová
- Department of Biotechnology, University of Chemistry and Technology Prague, 16628 Prague, Czech Republic; (M.R.); (I.K.)
| | - Soňa Gurská
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, 77900 Olomouc, Czech Republic; (J.S.); (P.D.); (J.Ř.); (S.G.); (M.H.)
| | - Marián Hajdúch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University and University Hospital in Olomouc, 77900 Olomouc, Czech Republic; (J.S.); (P.D.); (J.Ř.); (S.G.); (M.H.)
| | - Pavel B. Drašar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, 16628 Prague, Czech Republic; (D.K.); (T.Z.); (P.B.D.)
| | - Michal Jurášek
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, 16628 Prague, Czech Republic; (D.K.); (T.Z.); (P.B.D.)
- Correspondence:
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5
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Temirgaziyev BS, Kučáková K, Baizhigit YA, Jurášek M, Džubák P, Hajdúch M, Dolenský B, Drašar PB, Tuleuov BI, Adekenov SM. Bioavailability and structural study of 20-hydroxyecdysone complexes with cyclodextrins. Steroids 2019; 147:37-41. [PMID: 30458190 DOI: 10.1016/j.steroids.2018.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/23/2018] [Accepted: 11/14/2018] [Indexed: 11/17/2022]
Abstract
20-Hydroxyecdysterone - (2β,3β,5β,22R)-2,3,14,20,22,25-hexahydroxycholest-7-en-6-one was isolated in satisfactory yield using ethanol extraction from the aerial part of Silene wolgensis (Hornem.) Otth; sometimes Silene wolgensis (Willd.) Bess. ex Spreng. The complexation of the phytoecdysteroid with β-cyclodextrin was studied by NMR spectroscopy. By studying the changes in chemical shifts of protons of substrates and receptors it was found that ecdysterone interacts with cyclodextrins to form supramolecular inclusion complexes of stoichiometric composition of 1:1 or 1:2. Ecdysterone-β-cyclodextrin complexes exhibit 100 times higher solubility in water than the parent compound.
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Affiliation(s)
- Bakhtiyar S Temirgaziyev
- International Research and Production Holding "Phytochemistry", 470000 Karaganda, Kazakhstan; Buketov Karaganda State University, 100028 Karaganda, Kazakhstan
| | - Karolína Kučáková
- University of Chemistry and Technology Prague, 166 28 Praha 6, Czech Republic
| | - Yerassyl A Baizhigit
- International Research and Production Holding "Phytochemistry", 470000 Karaganda, Kazakhstan
| | - Michal Jurášek
- University of Chemistry and Technology Prague, 166 28 Praha 6, Czech Republic
| | - Petr Džubák
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Marián Hajdúch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Bohumil Dolenský
- University of Chemistry and Technology Prague, 166 28 Praha 6, Czech Republic.
| | - Pavel B Drašar
- University of Chemistry and Technology Prague, 166 28 Praha 6, Czech Republic
| | - Borash I Tuleuov
- International Research and Production Holding "Phytochemistry", 470000 Karaganda, Kazakhstan
| | - Sergazy M Adekenov
- International Research and Production Holding "Phytochemistry", 470000 Karaganda, Kazakhstan.
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6
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Jurášek M, Černohorská M, Řehulka J, Spiwok V, Sulimenko T, Dráberová E, Darmostuk M, Gurská S, Frydrych I, Buriánová R, Ruml T, Hajdúch M, Bartůněk P, Dráber P, Džubák P, Drašar PB, Sedlák D. Estradiol dimer inhibits tubulin polymerization and microtubule dynamics. J Steroid Biochem Mol Biol 2018; 183:68-79. [PMID: 29803726 DOI: 10.1016/j.jsbmb.2018.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/03/2018] [Accepted: 05/23/2018] [Indexed: 01/26/2023]
Abstract
Microtubule dynamics is one of the major targets for new chemotherapeutic agents. This communication presents the synthesis and biological profiling of steroidal dimers based on estradiol, testosterone and pregnenolone bridged by 2,6-bis(azidomethyl)pyridine between D rings. The biological profiling revealed unique properties of the estradiol dimer including cytotoxic activities on a panel of 11 human cell lines, ability to arrest in the G2/M phase of the cell cycle accompanied with the attenuation of DNA/RNA synthesis. Thorough investigation precluded a genomic mechanism of action and revealed that the estradiol dimer acts at the cytoskeletal level by inhibiting tubulin polymerization. Further studies showed that estradiol dimer, but none of the other structurally related dimeric steroids, inhibited assembly of purified tubulin (IC50, 3.6 μM). The estradiol dimer was more potent than 2-methoxyestradiol, an endogenous metabolite of 17β-estradiol and well-studied microtubule polymerization inhibitor with antitumor effects that was evaluated in clinical trials. Further, it was equipotent to nocodazole (IC50, 1.5 μM), an antimitotic small molecule of natural origin. Both estradiol dimer and nocodazole completely and reversibly depolymerized microtubules in interphase U2OS cells at 2.5 μM concentration. At lower concentrations (50 nM), estradiol dimer decreased the microtubule dynamics and growth life-time and produced comparable effect to nocodazole on the microtubule dynamicity. In silico modeling predicted that estradiol dimer binds to the colchicine-binding site in the tubulin dimer. Finally, dimerization of the steroids abolished their ability to induce transactivation by estrogen receptor α and androgen receptors. Although other steroids were reported to interact with microtubules, the estradiol dimer represents a new structural type of steroid inhibitor of tubulin polymerization and microtubule dynamics, bearing antimitotic and cytotoxic activity in cancer cell lines.
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Affiliation(s)
- Michal Jurášek
- University of Chemistry and Technology, CZ-166 28 Prague, Czech Republic
| | - Markéta Černohorská
- Department of Biology of Cytoskeleton, Institute of Molecular Genetics, Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague 4, Czech Republic
| | - Jiří Řehulka
- CZ-OPENSCREEN, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Vojtěch Spiwok
- University of Chemistry and Technology, CZ-166 28 Prague, Czech Republic
| | - Tetyana Sulimenko
- Department of Biology of Cytoskeleton, Institute of Molecular Genetics, Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague 4, Czech Republic
| | - Eduarda Dráberová
- Department of Biology of Cytoskeleton, Institute of Molecular Genetics, Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague 4, Czech Republic
| | - Maria Darmostuk
- University of Chemistry and Technology, CZ-166 28 Prague, Czech Republic
| | - Soňa Gurská
- CZ-OPENSCREEN, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Ivo Frydrych
- CZ-OPENSCREEN, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Renata Buriánová
- CZ-OPENSCREEN, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Tomáš Ruml
- University of Chemistry and Technology, CZ-166 28 Prague, Czech Republic
| | - Marián Hajdúch
- CZ-OPENSCREEN, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Petr Bartůněk
- CZ-OPENSCREEN, Institute of Molecular Genetics, Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague 4, Czech Republic
| | - Pavel Dráber
- Department of Biology of Cytoskeleton, Institute of Molecular Genetics, Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague 4, Czech Republic
| | - Petr Džubák
- CZ-OPENSCREEN, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University in Olomouc, CZ-775 15 Olomouc, Czech Republic.
| | - Pavel B Drašar
- University of Chemistry and Technology, CZ-166 28 Prague, Czech Republic.
| | - David Sedlák
- CZ-OPENSCREEN, Institute of Molecular Genetics, Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague 4, Czech Republic.
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Škorpilová L, Rimpelová S, Jurášek M, Buděšínský M, Lokajová J, Effenberg R, Slepička P, Ruml T, Kmoníčková E, Drašar PB, Wimmer Z. BODIPY-based fluorescent liposomes with sesquiterpene lactone trilobolide. Beilstein J Org Chem 2017; 13:1316-1324. [PMID: 28781697 PMCID: PMC5530629 DOI: 10.3762/bjoc.13.128] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 06/20/2017] [Indexed: 12/21/2022] Open
Abstract
Like thapsigargin, which is undergoing clinical trials, trilobolide is a natural product with promising anticancer and anti-inflammatory properties. Similar to thapsigargin, it has limited aqueous solubility that strongly reduces its potential medicinal applications. The targeted delivery of hydrophobic drugs can be achieved using liposome-based carriers. Therefore, we designed a traceable liposomal drug delivery system for trilobolide. The fluorescent green-emitting dye BODIPY, cholesterol and trilobolide were used to create construct 6. The liposomes were composed of dipalmitoyl-3-trimethylammoniumpropane and phosphatidylethanolamine. The whole system was characterized by atomic force microscopy, the average size of the liposomes was 150 nm in width and 30 nm in height. We evaluated the biological activity of construct 6 and its liposomal formulation, both of which showed immunomodulatory properties in primary rat macrophages. The uptake and intracellular distribution of construct 6 and its liposomal formulation was monitored by means of live-cell fluorescence microscopy in two cancer cell lines. The encapsulation of construct 6 into the liposomes improved the drug distribution in cancer cells and was followed by cell death. This new liposomal trilobolide derivative not only retains the biological properties of pure trilobolide, but also enhances the bioavailability, and thus has potential for the use in theranostic applications.
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Affiliation(s)
- Ludmila Škorpilová
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic.,Institute of Experimental Botany, ASCR, Vídeňská 1083, 142 20 Prague 4, Czech Republic
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Michal Jurášek
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Miloš Buděšínský
- Institute of Organic Chemistry and Biochemistry, ASCR, Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Jana Lokajová
- Institute of Organic Chemistry and Biochemistry, ASCR, Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Roman Effenberg
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Petr Slepička
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Tomáš Ruml
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Eva Kmoníčková
- Institute of Experimental Medicine, ASCR, Vídeňská 1083, 142 20 Prague 4, Czech Republic.,Charles University, Faculty of Medicine in Pilsen, Alej Svobody 76, 323 00 Pilsen, Czech Republic
| | - Pavel B Drašar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Zdeněk Wimmer
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic.,Institute of Experimental Botany, ASCR, Vídeňská 1083, 142 20 Prague 4, Czech Republic
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8
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Affiliation(s)
| | - Pavel B Drašar
- Department of Chemistry of Natural Products, UCT Prague, CZ 166 28 Praha 3, Czech Republic
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9
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Jurášek M, Džubák P, Rimpelová S, Sedlák D, Konečný P, Frydrych I, Gurská S, Hajdúch M, Bogdanová K, Kolář M, Müller T, Kmoníčková E, Ruml T, Harmatha J, Drašar PB. Trilobolide-steroid hybrids: Synthesis, cytotoxic and antimycobacterial activity. Steroids 2017; 117:97-104. [PMID: 27543674 DOI: 10.1016/j.steroids.2016.08.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 06/22/2016] [Accepted: 08/08/2016] [Indexed: 11/29/2022]
Abstract
Sesquiterpene lactone trilobolide is a sarco/endoplasmic reticulum Ca2+-ATPase (SERCA) inhibitor, thus depleting the Ins(1,4,5)P3-sensitive intracellular calcium stores. Here, we describe a synthesis of a series of 6 trilobolide-steroids conjugates (estradiol, pregnene, dehydroepiandrosterone, and testosterone). We found that the newly synthesized Tb-based compounds possess different remarkable biological activities. Cancer cell cytotoxicity and preferential selectivity is represented in our study by a Tb-pregnene derivative. The most cytotoxic clickates of estradiol and pregnene were studied by FACS where impact on cell cycle and RNA synthesis was observed; live-cell microscopy revealed the impact on cell organelle morphology particularly endoplasmic reticulum, mitochondria and nucleus. Further, we have studied the estrogenic and androgenic properties of the clickate molecules using cell-based luciferase assays. Finally, antimycobacterial tests revealed that testosterone and estradiol derivatives potentiated the antimycobacterial activity up to IC50 of 10.6μM.
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Affiliation(s)
- Michal Jurášek
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology, CZ-166 28 Prague, Czech Republic
| | - Petr Džubák
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic.
| | - Silvie Rimpelová
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology, CZ-166 28 Prague, Czech Republic
| | - David Sedlák
- CZ-OPENSCREEN: National Infrastructure for Chemical Biology, Institute of Molecular Genetics AS CR Prague, CZ-142 20 Prague, Czech Republic
| | - Petr Konečný
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Ivo Frydrych
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Soňa Gurská
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Marián Hajdúch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Kateřina Bogdanová
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Milan Kolář
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University and University Hospital in Olomouc, CZ-775 15 Olomouc, Czech Republic
| | - Tomáš Müller
- CZ-OPENSCREEN: National Infrastructure for Chemical Biology, Institute of Molecular Genetics AS CR Prague, CZ-142 20 Prague, Czech Republic
| | - Eva Kmoníčková
- Institute of Experimental Medicine, Department of Pharmacology AS CR, Prague, Czech Republic; Institute of Pharmacology and Toxicology and Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic
| | - Tomáš Ruml
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology, CZ-166 28 Prague, Czech Republic
| | - Juraj Harmatha
- Institute of Organic Chemistry and Biochemistry AS CR Prague, CZ-166 10 Prague, Czech Republic
| | - Pavel B Drašar
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology, CZ-166 28 Prague, Czech Republic.
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Huml L, Jurášek M, Mikšátková P, Zimmermann T, Tomanová P, Buděšínský M, Rottnerová Z, Šimková M, Harmatha J, Kmoníčková E, Lapčík O, Drašar PB. Immunoassay for determination of trilobolide. Steroids 2017; 117:105-111. [PMID: 27600788 DOI: 10.1016/j.steroids.2016.08.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 08/10/2016] [Accepted: 08/30/2016] [Indexed: 11/27/2022]
Abstract
Trilobolide (Tb) is a pharmacologically interesting sesquiterpene lactone isolated from Laser trilobum (L.) Borkh. Structural relation to a sarco/endoplasmic reticulum Ca2+-ATPase inhibitor thapsigargin bring promising prospects for Tb to be used in the development of new anti-cancer drugs. As long as there are still unanswered questions regarding its investigation, a need for novel analytical tools emerge. Since immunoassays serve as one of powerful tools within the investigation of natural products, the development of indirect competitive enzyme-linked immunosorbent assay (ELISA) utilizing coating based on avidin-biotin technology is described. In our set-up of ELISA, newly synthesized biotinylated Tb served as immobilized competitor. Tb-carboxymethyloxime-bovine serum albumin (BSA) and Tb-succinoyl-BSA conjugates were used separately for immunization of rabbits. Two sets of polyclonal antibodies (RAbs) were obtained. Antibodies against Tb-succinoyl-BSA conjugate (RAb No. 206) were chosen as the best. Under optimized conditions, limit of detection and 50% intercept of our ELISA were 849pg/mL and 8.89ng/mL, respectively. The cross-reactivity (CR) was tested on 10 structurally related compounds and CR did not exceed 6.1%. The reproducibility of the system is expressed as intra- and inter-assay coefficients of variation (9.7% and 11.4%, respectively). Based on conducted experiments, we proposed the use of ELISA for quantification of Tb in complex biological matrices such as plant extracts. A method was applied to analyze three extracts obtained from different parts of L. trilobum. Data obtained were compared to those acquired by UHPLC-MS/MS. The concordance between the methods (103-87%) showed the ability of ELISA to quantify Tb.
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Affiliation(s)
- Lukáš Huml
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic
| | - Michal Jurášek
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic
| | - Petra Mikšátková
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic
| | - Tomáš Zimmermann
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic
| | - Pavla Tomanová
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic
| | - Miloš Buděšínský
- Institute of Organic Chemistry and Biochemistry, CZ-166 10 Prague, Czech Republic
| | - Zdeňka Rottnerová
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic
| | - Markéta Šimková
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic
| | - Juraj Harmatha
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic; Institute of Organic Chemistry and Biochemistry, CZ-166 10 Prague, Czech Republic
| | - Eva Kmoníčková
- Institute of Experimental Medicine, AS CR, v.v.i., CZ-142 20 Prague, Czech Republic; Charles University in Prague, Faculty of Medicine and Biomedical Center in Pilsen, CZ-301 66 Pilsen, Czech Republic
| | - Oldřich Lapčík
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic.
| | - Pavel B Drašar
- University of Chemistry and Technology Prague, Faculty of Food and Biochemical Technology [342], CZ-166 28 Prague, Czech Republic.
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11
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Malachowska M, Sperduto C, Darmostuk M, Monti D, Venanzi M, Mancini G, D'Acunto CW, Králová J, Ruml T, Wimmer Z, Drašar PB. Porphyrins with directly meso-attached disaccharide moieties: Synthesis, self-assembly and cellular study. J PORPHYR PHTHALOCYA 2016. [DOI: 10.1142/s1088424616500875] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A series of porphyrins with directly meso-attached “sucrose” moiety by the carbon C-6′ of its “fructose” end was synthesized, and their physico-chemical and aggregation properties studied by spectroscopic (fluorescence, circular dichroism, resonance light scattering) techniques. The effect of selected porphyrins on tumor cells was also evaluated.
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Affiliation(s)
- Magdalena Malachowska
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Claudio Sperduto
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Mariia Darmostuk
- Dept Biochem. Microbiol., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Donato Monti
- Dept Chem. Sci. Technol., University of Rome Tor Vergata, Via Della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Mariano Venanzi
- Dept Chem. Sci. Technol., University of Rome Tor Vergata, Via Della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Giovana Mancini
- IMR-CNR, c/o Dept Chem., University of Rome, La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
| | - Cosimo Walter D'Acunto
- Dept Biochem. Microbiol., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Jarmila Králová
- Institute of Molecular Genetics AS CR, v.v.i., 142 20 Praha 4, Czech Republic
| | - Tomáš Ruml
- Dept Biochem. Microbiol., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
| | - Zdenĕk Wimmer
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
- Isotope Laboratory, Institute of Experimental Botany AS CR, v.v.i., 142 20 Prague 4, Czech Republic
| | - Pavel B. Drašar
- Dept Nat. Compds Chem., University of Chemical Technology, Prague, 16628 Prague 6, Czech Republic
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Tomanová P, Rimpelová S, Jurášek M, Buděšínský M, Vejvodová L, Ruml T, Kmoníčková E, Drašar PB. Trilobolide-porphyrin conjugates: on synthesis and biological effects evaluation. Steroids 2015; 97:8-12. [PMID: 25204594 DOI: 10.1016/j.steroids.2014.08.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2014] [Revised: 08/14/2014] [Accepted: 08/25/2014] [Indexed: 12/22/2022]
Abstract
Trilobolide (Tb), a potent natural counterpart of thapsigargin, is a sesquiterpene lactone of guaianolide type isolated from horse caraway (Laser trilobum, L. Borkh). Tb exerts remarkable pharmacological properties based on irreversible inhibition of sarco/endoplasmic reticulum calcium ATPase (SERCA), thus being of increasing interest for cancer cure. Additionally, another pharmacological activity of Tb, as well as of thapsigargin, was reported in several studies, Tb as being an effective inductor of nitric oxide and cytokine production. These extraordinary biological properties move these molecules in further pre-clinical evaluation. Because of ubiquitous character of SERCA expression, development of specifically targeted bioactive molecules is inevitable. Since it is well known that porphyrins are preferentially taken up by cancer cells, we have designed and synthesized novel Tb-porphyrin conjugates. Copper-catalyzed azide-alkyne cycloaddition was used to link Tb with porphyrin at once. Two model conjugates of Tb and porphyrin were synthesized and properly characterized. Employing naturally occurring fluorescence properties of porphyrins, we investigated the intracellular localization of the conjugates employing fluorescence microscopy in living cells. Intriguingly, the prepared conjugates localized both in mitochondria and lysosomes of HeLa and LNCaP cells. Furthermore, the cytotoxicity of Tb-porphyrin conjugates was assessed in a number of human cancer cell lines and rat peritoneal cells. Likewise in cancer cell lines, viability of rat peritoneal cells was not affected by the tested conjugates. Interestingly, we observed dose-dependent nitric oxide (iNOS) production induced by the tested conjugates. The effect was related to the type of a linker used and the overall size of the molecule. Another potent immunobiological effects are under evaluation. In summary, the results presented here indicate notable immunobiological potential of the prepared Tb conjugates. Moreover, they could help to decipher the molecular mechanism of Tb for its possible biomedical applications.
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Affiliation(s)
- Pavla Tomanová
- Department of Chemistry of Natural Compounds, Institute of Chemical Technology in Prague, CZ-16628 Prague, Czech Republic
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, Institute of Chemical Technology in Prague, CZ-166 28 Prague, Czech Republic
| | - Michal Jurášek
- Department of Chemistry of Natural Compounds, Institute of Chemical Technology in Prague, CZ-16628 Prague, Czech Republic
| | - Miloš Buděšínský
- Institute of Organic Chemistry and Biochemistry, CZ-166 10 Prague, Czech Republic
| | - Lucie Vejvodová
- Institute of Pharmacology and Toxicology and Biomedical Centre, Faculty of Medicine in Pilsen, Charles University in Prague, CZ-301 66 Pilsen, Czech Republic
| | - Tomáš Ruml
- Department of Biochemistry and Microbiology, Institute of Chemical Technology in Prague, CZ-166 28 Prague, Czech Republic
| | - Eva Kmoníčková
- Institute of Pharmacology and Toxicology and Biomedical Centre, Faculty of Medicine in Pilsen, Charles University in Prague, CZ-301 66 Pilsen, Czech Republic.
| | - Pavel B Drašar
- Department of Chemistry of Natural Compounds, Institute of Chemical Technology in Prague, CZ-16628 Prague, Czech Republic.
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13
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Jurášek M, Rimpelová S, Pavlíčková V, Ruml T, Lapčík O, Drašar PB. Synthesis and biological evaluation of nandrolone-bodipy conjugates. Steroids 2015; 97:62-6. [PMID: 25448362 DOI: 10.1016/j.steroids.2014.10.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2014] [Revised: 09/19/2014] [Accepted: 10/01/2014] [Indexed: 11/30/2022]
Abstract
Here, we report synthesis and biological evaluation of fluorescent nandrolone-3-carboxymethyloxime derivatives conjugated with green-emitting bodipy dye via PEG linkers. All the newly-synthesized compounds were evaluated for their effect on cell proliferation in vitro in MCF-7, LNCaP, PC-3 and HEK 293T model cell lines using WST-1 assay. By means of live-cell fluorescence microscopy, the intracellular localization of nandrolone-bodipy conjugates was revealed in endoplasmic reticulum. Moreover, we performed competitive localization study with nonfluorescent nandrolone, metandrolone, boldenone, trenbolone, and testosterone.
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Affiliation(s)
- Michal Jurášek
- Department of Chemistry of Natural Compounds, Institute of Chemical Technology in Prague, 166 28 Prague, Czech Republic
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, Institute of Chemical Technology in Prague, 166 28 Prague, Czech Republic
| | - Vladimíra Pavlíčková
- Department of Biochemistry and Microbiology, Institute of Chemical Technology in Prague, 166 28 Prague, Czech Republic
| | - Tomáš Ruml
- Department of Biochemistry and Microbiology, Institute of Chemical Technology in Prague, 166 28 Prague, Czech Republic
| | - Oldřich Lapčík
- Department of Chemistry of Natural Compounds, Institute of Chemical Technology in Prague, 166 28 Prague, Czech Republic
| | - Pavel B Drašar
- Department of Chemistry of Natural Compounds, Institute of Chemical Technology in Prague, 166 28 Prague, Czech Republic.
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