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Chaudhry KA, Jacobi JJ, Gillard BM, Karasik E, Martin JC, da Silva Fernandes T, Hurley E, Feltri ML, Attwood KM, Twist CJ, Smiraglia DJ, Long MD, Bianchi-Smiraglia A. Aryl hydrocarbon receptor is a tumor promoter in MYCN-amplified neuroblastoma cells through suppression of differentiation. iScience 2023; 26:108303. [PMID: 38026169 PMCID: PMC10654598 DOI: 10.1016/j.isci.2023.108303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/25/2023] [Accepted: 10/20/2023] [Indexed: 12/01/2023] Open
Abstract
Neuroblastoma is the most common extracranial solid tumor in children. MYCN amplification is detected in almost half of high-risk cases and is associated with poorly differentiated tumors, poor patient prognosis and poor response to therapy, including retinoids. We identify the aryl hydrocarbon receptor (AhR) as a transcription factor promoting the growth and suppressing the differentiation of MYCN-amplified neuroblastoma. A neuroblastoma specific AhR transcriptional signature reveals an inverse correlation of AhR activity with patients' outcome, suggesting AhR activity is critical for disease progression. AhR modulates chromatin structures, reducing accessibility to regions responsive to retinoic acid. Genetic and pharmacological inhibition of AhR results in induction of differentiation. Importantly, AhR antagonism with clofazimine synergizes with retinoic acid in inducing differentiation both in vitro and in vivo. Thus, we propose AhR as a target for MYCN-amplified neuroblastoma and that its antagonism, combined with current standard-of-care, may result in a more durable response in patients.
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Affiliation(s)
- Kanita A. Chaudhry
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Justine J. Jacobi
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Bryan M. Gillard
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Ellen Karasik
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Jeffrey C. Martin
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | | | - Edward Hurley
- Department of Biochemistry and Neurology, Institute for Myelin and Glia Exploration, State University of New York at Buffalo, Buffalo, NY, USA
| | - Maria Laura Feltri
- Department of Biochemistry and Neurology, Institute for Myelin and Glia Exploration, State University of New York at Buffalo, Buffalo, NY, USA
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Foundation I.R.C.C.S. Carlo Besta Neurological Institute Milan, Italy
| | - Kristopher M. Attwood
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Clare J. Twist
- Department of Pediatric Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Dominic J. Smiraglia
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Mark D. Long
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Anna Bianchi-Smiraglia
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
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Ducroq S, Duplus E, Penalva-Mousset L, Trivelloni F, L’honoré A, Chabat-Courrède C, Nemazanyy I, Grange-Messent V, Petropoulos I, Mhaouty-Kodja S. Behavior, Neural Structure, and Metabolism in Adult Male Mice Exposed to Environmentally Relevant Doses of Di(2-ethylhexyl) Phthalate Alone or in a Phthalate Mixture. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:77008. [PMID: 37458746 PMCID: PMC10351581 DOI: 10.1289/ehp11514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/12/2023] [Accepted: 06/23/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND We have previously shown that chronic exposure of adult male mice to low doses of di(2-ethylhexyl) phthalate (DEHP) altered male sexual behavior and induced down-regulation of the androgen receptor (AR) in the neural circuitry controlling this behavior. OBJECTIVES The cellular mechanisms induced by chronic exposure of adult male mice to low doses of DEHP alone or in an environmental phthalate mixture were studied. METHODS Two-month-old C57BL/6J males were exposed orally for 8 wk to DEHP alone (0, 5, or 50μg/kg/d) or to DEHP (50μg/kg/d) in a phthalate mixture. Behavior, dendritic density per 50-μm length, pre-/postsynaptic markers, synapse ultrastructure, and bioenergetic activity were analyzed. RESULTS Mice exposed to DEHP either alone or in a phthalate mixture differed in mating, emission of ultrasonic vocalizations, and the ability to attract receptive females in urinary preference tests from control mice. Analyses in the medial preoptic area, the key hypothalamic region involved in male sexual behavior, showed lower dendritic spine density and protein levels of glutamate receptors and differences in other postsynaptic components and presynaptic markers between the treated groups. Ultrastructural observation of dendritic synapses by electron microscopy showed comparable morphology between the treated groups. Metabolic analyses highlighted differences in hypothalamic metabolites of males exposed to DEHP alone or in a phthalate mixture compared to control mice. These differences included lower tryptophan and higher NAD+ levels, respectively, a precursor and end product of the kynurenine pathway of tryptophan metabolism. The protein amounts of the xenobiotic aryl hydrocarbon receptor, one of the targets of this metabolic pathway and known negative regulator of the AR, were higher in the medial preoptic area of exposed male mice. DISCUSSION Differences in behavior of male mice exposed to environmental doses of phthalates were associated with differences in neural structure and metabolism, with possibly a key role of the kynurenine pathway of tryptophan metabolism in the effects mediated by these substances. https://doi.org/10.1289/EHP11514.
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Affiliation(s)
- Suzanne Ducroq
- Sorbonne Université, CNRS UMR 8246, Inserm U1130, Neuroscience Paris Seine – Institut de Biologie Paris Seine, 75005 Paris, France
| | - Eric Duplus
- Sorbonne Université, CNRS UMR 8256, Inserm ERL1164, Biological Adaptation and Ageing – Institut de Biologie Paris-Seine, 75005 Paris, France
| | - Lucille Penalva-Mousset
- Sorbonne Université, CNRS UMR 8256, Inserm ERL1164, Biological Adaptation and Ageing – Institut de Biologie Paris-Seine, 75005 Paris, France
| | - Francesca Trivelloni
- Sorbonne Université, CNRS UMR 8246, Inserm U1130, Neuroscience Paris Seine – Institut de Biologie Paris Seine, 75005 Paris, France
| | - Aurore L’honoré
- Sorbonne Université, CNRS UMR 8256, Inserm ERL1164, Biological Adaptation and Ageing – Institut de Biologie Paris-Seine, 75005 Paris, France
| | - Caroline Chabat-Courrède
- Sorbonne Université, CNRS UMR 8256, Inserm ERL1164, Biological Adaptation and Ageing – Institut de Biologie Paris-Seine, 75005 Paris, France
| | - Ivan Nemazanyy
- Platform for Metabolic Analyses, Structure Fédérative de Recherche Necker, Inserm US24/CNRS UMS 3633, Paris 75015, France
| | - Valérie Grange-Messent
- Sorbonne Université, CNRS UMR 8246, Inserm U1130, Neuroscience Paris Seine – Institut de Biologie Paris Seine, 75005 Paris, France
| | - Isabelle Petropoulos
- Sorbonne Université, CNRS UMR 8256, Inserm ERL1164, Biological Adaptation and Ageing – Institut de Biologie Paris-Seine, 75005 Paris, France
| | - Sakina Mhaouty-Kodja
- Sorbonne Université, CNRS UMR 8246, Inserm U1130, Neuroscience Paris Seine – Institut de Biologie Paris Seine, 75005 Paris, France
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Ducroq S, Duplus E, Grange-Messent V, Francesca T, Penalva-Mousset L, Petropoulos I, Mhaouty-Kodja S. Cognitive and hippocampal effects of adult male mice exposure to environmentally relevant doses of phthalates. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 323:121341. [PMID: 36828353 DOI: 10.1016/j.envpol.2023.121341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/16/2023] [Accepted: 02/21/2023] [Indexed: 05/17/2023]
Abstract
We recently showed that chronic exposure of adult male mice to environmental doses of DEHP alone or in a phthalate mixture altered blood brain barrier integrity and induced an inflammatory profile in the hippocampus. Here, we investigate whether such exposure alters hippocampus-dependent behavior and underlying cellular mechanisms. Adult C57BL/6 J male mice were continuously exposed orally to the vehicle or DEHP alone (5 or 50 μg/kg/d) or to DEHP (5 μg/kg/d) in a phthalate mixture. In the Morris water maze, males showed reduced latencies across days to find the platform in the cue and spatial reference memory tasks, regardless of their treatment group. In the probe test, DEHP-50 exposed males displayed a higher latency to find the platform quadrant. In the temporal order memory test, males exposed to DEHP alone or in a phthalate mixture were unable to discriminate between the most recently and previously seen objects. They also displayed reduced ability to show a preference for the new object in the novel object recognition test. These behavioral alterations were associated with a lowered dendritic spine density and protein levels of glutamate receptors and postsynaptic markers, and increased protein levels of the presynaptic synaptophysin in the hippocampus. Metabolomic analysis of the hippocampus indicated changes in amino acid levels including reduced tryptophan and L-kynurenine and elevated NAD + levels, respectively, a precursor, intermediate and endproduct of the kynurenine pathway of tryptophan metabolism. Interestingly, the protein amounts of the xenobiotic aryl hydrocarbon receptor, a target of this metabolic pathway, were elevated in the CA1 area. These data indicate that chronic exposure of adult male mice to environmental doses of DEHP alone or in a phthalate mixture impacted hippocampal function and structure, associated with modifications in amino acid metabolites with a potential involvement of the kynurenine pathway of tryptophan metabolism.
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Affiliation(s)
- Suzanne Ducroq
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Eric Duplus
- Sorbonne Université, CNRS UMR 8256, INSERM ERL1164, Biological Adaptation and Ageing - Institut de Biologie Paris-Seine, 75005, Paris, France
| | - Valérie Grange-Messent
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Trivelloni Francesca
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Lucille Penalva-Mousset
- Sorbonne Université, CNRS UMR 8256, INSERM ERL1164, Biological Adaptation and Ageing - Institut de Biologie Paris-Seine, 75005, Paris, France
| | - Isabelle Petropoulos
- Sorbonne Université, CNRS UMR 8256, INSERM ERL1164, Biological Adaptation and Ageing - Institut de Biologie Paris-Seine, 75005, Paris, France
| | - Sakina Mhaouty-Kodja
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France.
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Zgarbová E, Vrzal R. Skatole: A thin red line between its benefits and toxicity. Biochimie 2022; 208:1-12. [PMID: 36586563 DOI: 10.1016/j.biochi.2022.12.014] [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: 08/19/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/30/2022]
Abstract
Skatole (3-methylindole) is a heterocyclic compound naturally found in the feces of vertebrates and is produced by certain flowers. Skatole has been used in specific products of the perfume industry or as a flavor additive in ice cream. Additionally, skatole is formed by tryptophan pyrolysis of tobacco and has been demonstrated to be a mutagen. Skatole-induced pulmonotoxicity was reliably described in ruminants and rodents, but no studies have been conducted in humans. Initially, we provide basic knowledge and a historical overview of skatole. Then, skatole bacterial formation in the intestine is described, and the importance of the microbiome during this process is evaluated. Increased skatole concentrations could serve as a marker for intestinal disease development. Therefore, the human molecular targets of skatole that may have significant effects on various processes in the human body are described. Ultimately, we suggest a link between skatole intestinal formation in humans and skatole-induced pulmonotoxicity, which should be explored further in the future.
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Affiliation(s)
- Eliška Zgarbová
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71, Olomouc, Czech Republic
| | - Radim Vrzal
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71, Olomouc, Czech Republic.
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Zgarbová E, Vrzal R. The Impact of Indoles Activating the Aryl Hydrocarbon Receptor on Androgen Receptor Activity in the 22Rv1 Prostate Cancer Cell Line. Int J Mol Sci 2022; 24:ijms24010502. [PMID: 36613955 PMCID: PMC9820252 DOI: 10.3390/ijms24010502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022] Open
Abstract
The activation of the aryl hydrocarbon receptor (AhR) by xenobiotic compounds was demonstrated to result in the degradation of the androgen receptor (AR). Since prostate cancer is often dependent on AR, it has become a significant therapeutic target. As a result of the emerging concept of bacterial mimicry, we tested whether compounds with indole scaffolds capable of AhR activation have the potential to restrict AR activity in prostate cancer cells. Altogether, 22 indolic compounds were tested, and all of them activated AhR. However, only eight decreased DHT-induced AR luciferase activity. All indoles, which met the AhR-activating and AR-suppressing criteria, decreased the expression of DHT-inducible AR target genes, specifically KLK3 and FKBP5 mRNAs. The reduced AR binding to the KLK3 promoter was confirmed by a chromatin immunoprecipitation (ChIP) assay. In addition, some indoles significantly decreased AR protein and mRNA level. By using CRISPR/Cas9 AhR knockout technology, no relationship between AhR and AR, measured as target gene expression, was observed. In conclusion, some indoles that activate AhR possess AR-inhibiting activity, which seems to be related to the downregulation of AR expression rather than to AR degradation alone. Moreover, there does not seem to be a clear relationship that would connect AhR activation with AR activity suppression in 22Rv1 cells.
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Stragierowicz J, Stypuła-Trębas S, Radko L, Posyniak A, Nasiadek M, Klimczak M, Kilanowicz A. An assessment of the estrogenic and androgenic properties of tetra- and hexachloronaphthalene by YES/YAS in vitro assays. CHEMOSPHERE 2021; 263:128006. [PMID: 33297039 DOI: 10.1016/j.chemosphere.2020.128006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/31/2020] [Accepted: 08/13/2020] [Indexed: 06/12/2023]
Abstract
Many persistent organic pollutants (POPs) exhibit endocrine disrupting activity but studies on some POPs, e.g., polychlorinated naphthalenes (PCNs), are very scarce. The present study investigates the (anti)estrogenic and (anti)androgenic activities of 1,2,3,5,6,7-hexachloronaphthalane (PCN67) and 1,3,5,8-tetrachloronaphthalene (PCN43) using the yeast estrogen and androgen reporter bioassays. Among the tested substances, antiestrogenic response was only shown by PCN67. The strongest inhibition of estrogenic activity (up to 17.4%) was observed in the low concentration ranges (5 pM - 0.5 nM) in the presence of 1.5 nM 17β-estradiol. Both tested compounds showed partial estrogenic activity with a hormetic-type response. However, both studied chemicals showed strong antiandrogenic effects: their potency in the presence of 100 nM 17β-testosterone for PCN43 (IC50 = 2.59 μM) and PCN67 (IC50 = 3.14 μM) was approximately twice that of the reference antiandrogen flutamide (IC50 = 6.14 μM). It cannot be excluded that exposure to PCNs, together with other endocrine disrupting chemicals (EDCs), may contribute to the deregulation of sex steroid hormone signaling.
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Affiliation(s)
- Joanna Stragierowicz
- Department of Toxicology, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland
| | - Sylwia Stypuła-Trębas
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Al. Partyzantow 57, 24-100, Pulawy, Poland
| | - Lidia Radko
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Al. Partyzantow 57, 24-100, Pulawy, Poland
| | - Andrzej Posyniak
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Al. Partyzantow 57, 24-100, Pulawy, Poland
| | - Marzenna Nasiadek
- Department of Toxicology, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland
| | - Michał Klimczak
- Department of Toxicology, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland
| | - Anna Kilanowicz
- Department of Toxicology, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland.
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Vyhlídalová B, Krasulová K, Pečinková P, Poulíková K, Vrzal R, Andrysík Z, Chandran A, Mani S, Dvorak Z. Antimigraine Drug Avitriptan Is a Ligand and Agonist of Human Aryl Hydrocarbon Receptor That Induces CYP1A1 in Hepatic and Intestinal Cells. Int J Mol Sci 2020; 21:ijms21082799. [PMID: 32316498 PMCID: PMC7216230 DOI: 10.3390/ijms21082799] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/15/2020] [Accepted: 04/15/2020] [Indexed: 12/15/2022] Open
Abstract
The efforts for therapeutic targeting of the aryl hydrocarbon receptor (AhR) have emerged in recent years. We investigated the effects of available antimigraine triptan drugs, having an indole core in their structure, on AhR signaling in human hepatic and intestinal cells. Activation of AhR in reporter gene assays was observed for Avitriptan and to a lesser extent for Donitriptan, while other triptans were very weak or no activators of AhR. Using competitive binding assay and by homology docking, we identified Avitriptan as a low-affinity ligand of AhR. Avitriptan triggered nuclear translocation of AhR and increased binding of AhR in CYP1A1 promotor DNA, as revealed by immune-fluorescence microscopy and chromatin immune-precipitation assay, respectively. Strong induction of CYP1A1 mRNA was achieved by Avitriptan in wild type but not in AhR-knockout, immortalized human hepatocytes, implying that induction of CYP1A1 is AhR-dependent. Increased levels of CYP1A1 mRNA by Avitriptan were observed in human colon carcinoma cells LS180 but not in primary cultures of human hepatocytes. Collectively, we show that Avitriptan is a weak ligand and activator of human AhR, which induces the expression of CYP1A1 in a cell-type specific manner. Our data warrant the potential off-label therapeutic application of Avitriptan as an AhR-agonist drug.
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Affiliation(s)
- Barbora Vyhlídalová
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic; (B.V.); (K.K.); (P.P.); (K.P.); (R.V.)
| | - Kristýna Krasulová
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic; (B.V.); (K.K.); (P.P.); (K.P.); (R.V.)
| | - Petra Pečinková
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic; (B.V.); (K.K.); (P.P.); (K.P.); (R.V.)
| | - Karolína Poulíková
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic; (B.V.); (K.K.); (P.P.); (K.P.); (R.V.)
| | - Radim Vrzal
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic; (B.V.); (K.K.); (P.P.); (K.P.); (R.V.)
| | - Zdeněk Andrysík
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, CO 80045, USA;
| | - Aneesh Chandran
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109-1065, USA;
| | - Sridhar Mani
- Department of Genetics and Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Correspondence: (S.M.); (Z.D.); Tel.: +1-718-430-2871 (S.M.); +420-58-5634903 (Z.D.)
| | - Zdenek Dvorak
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic; (B.V.); (K.K.); (P.P.); (K.P.); (R.V.)
- Correspondence: (S.M.); (Z.D.); Tel.: +1-718-430-2871 (S.M.); +420-58-5634903 (Z.D.)
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