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Kania A, Polok K, Celejewska-Wójcik N, Nastałek P, Opaliński A, Mrzygłód B, Regulski K, Głowacki M, Sładek K, Bochenek G. Clinical and Polysomnographic Features Associated with Poor Sleep Quality in Patients with Obstructive Sleep Apnea. Medicina (Kaunas) 2022; 58:medicina58070907. [PMID: 35888626 PMCID: PMC9321990 DOI: 10.3390/medicina58070907] [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] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/30/2022] [Accepted: 07/04/2022] [Indexed: 11/30/2022]
Abstract
Background and Objectives: Poor sleep quality in patients with obstructive sleep apnea (OSA) may be associated with different clinical and polysomnographic features. The aim of this study was to identify features associated with poor sleep quality in OSA patients. Materials and Methods: This was a cross-sectional study enrolling patients with OSA confirmed by polysomnography (PSG). In addition to gathering clinical data, patients were assessed using the Pittsburgh Sleep Quality Index (PSQI), the Epworth Sleepiness Scale (ESS), and the Clinical Global Impression Scale. Univariate and multivariable analyses were performed to identify factors associated with an increased risk of poor sleep quality in this population. Results: Among 505 enrolled patients (mean age of 57.1 years, 69.7% male) poor quality of sleep (PSQI score ≥ 5) was confirmed in 68.9% of them. Multivariable analysis revealed the following factors associated with poor sleep quality: chronic heart failure (OR 3.111; 95% CI, 1.083−8.941, p = 0.035), male sex (OR 0.396; 95% CI, 0.199−0.787, p = 0.008), total ESS score (OR 1.193; 95% CI, 1.124−1.266, p < 0.001), minimal saturation during sleep (OR 1.034; 95% CI, 1.002−1.066, p = 0.036), and N3 percentage of total sleep time (OR 1.110; 95% CI, 1.027−1.200, p = 0.009). Conclusions: Our study suggests that both the female sex and coexistence of heart failure are independent risk factors for poor sleep quality. Moreover, we hypothesize that nocturnal hypoxia may lead to a misperception of sleep quality and may explain the counterintuitive association between a higher proportion of deep sleep and poor sleep quality.
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Affiliation(s)
- Aleksander Kania
- 2nd Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Jakubowskiego 2, 30-688 Krakow, Poland; (K.P.); (N.C.-W.); (P.N.); (K.S.); (G.B.)
- Correspondence: ; Tel.: +48-12-400-3050
| | - Kamil Polok
- 2nd Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Jakubowskiego 2, 30-688 Krakow, Poland; (K.P.); (N.C.-W.); (P.N.); (K.S.); (G.B.)
- Centre for Intensive Care and Perioperative Medicine, Jagiellonian University Medical College, Wroclawska 1-3, 30-901 Krakow, Poland
| | - Natalia Celejewska-Wójcik
- 2nd Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Jakubowskiego 2, 30-688 Krakow, Poland; (K.P.); (N.C.-W.); (P.N.); (K.S.); (G.B.)
| | - Paweł Nastałek
- 2nd Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Jakubowskiego 2, 30-688 Krakow, Poland; (K.P.); (N.C.-W.); (P.N.); (K.S.); (G.B.)
- Pulmonary Diseases Department, Proszowice District Hospital, Kopernika 13, 32-100 Proszowice, Poland
| | - Andrzej Opaliński
- Department of Applied Computer Science and Modelling, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland; (A.O.); (B.M.); (K.R.); (M.G.)
| | - Barbara Mrzygłód
- Department of Applied Computer Science and Modelling, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland; (A.O.); (B.M.); (K.R.); (M.G.)
| | - Krzysztof Regulski
- Department of Applied Computer Science and Modelling, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland; (A.O.); (B.M.); (K.R.); (M.G.)
| | - Mirosław Głowacki
- Department of Applied Computer Science and Modelling, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland; (A.O.); (B.M.); (K.R.); (M.G.)
| | - Krzysztof Sładek
- 2nd Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Jakubowskiego 2, 30-688 Krakow, Poland; (K.P.); (N.C.-W.); (P.N.); (K.S.); (G.B.)
| | - Grażyna Bochenek
- 2nd Department of Internal Medicine, Faculty of Medicine, Jagiellonian University Medical College, Jakubowskiego 2, 30-688 Krakow, Poland; (K.P.); (N.C.-W.); (P.N.); (K.S.); (G.B.)
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Fernández-Peña L, Guzmán E, Leonforte F, Serrano-Pueyo A, Regulski K, Tournier-Couturier L, Ortega F, Rubio RG, Luengo GS. Effect of molecular structure of eco-friendly glycolipid biosurfactants on the adsorption of hair-care conditioning polymers. Colloids Surf B Biointerfaces 2019; 185:110578. [PMID: 31678812 DOI: 10.1016/j.colsurfb.2019.110578] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 09/13/2019] [Accepted: 10/10/2019] [Indexed: 11/17/2022]
Abstract
Pseudo-binary mixtures of different glycolipids, four different rhamnolipids (RL) and an alkyl polyglucoside (APG), with poly(diallyl-dimethylammonium chloride) (PDADMAC) have been studied in relation to their adsorption onto negatively charged surfaces to shed light on the impact of the molecular structure of surfactants from natural sources (instead of synthetic surfactant, such as sodium laureth sulfate) on the adsorption of hair-conditioning polymers. For this purpose, the self-assembly of such mixtures in aqueous solution and their adsorption onto negatively charged surfaces mimicking the negative charge of damaged hair fibres have been studied combining experiments and self-consistent field (SCF) calculations. The results show that the specific physico-chemical properties of the surfactants (charge, number of sugar rings present in surfactant structure and length of the hydrocarbon length) play a main role in the control of the adsorption process, with the adsorption efficiency and hydration being improved in relation to conventional sulfate-based systems for mixtures of PDADMAC and glycolipids with the shortest alkyl chains. SCF calculations and Energy Dispersive X-Ray Spectroscopy (EDS) analysis on real hair confirmed such observations. The results allow one to assume that the characteristic of the surfactants, especially rhamnolipids, conditions positively the adsorption potential of polyelectrolytes in these model systems. This study provides important insights on the mechanisms underlying the performance of more complex but eco-friendly washing formulations.
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Affiliation(s)
- Laura Fernández-Peña
- Departamento de Química Física, Facultad de Ciencias Químicas Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
| | - Eduardo Guzmán
- Departamento de Química Física, Facultad de Ciencias Químicas Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain; Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII, 1, 28040, Madrid, Spain.
| | | | - Ana Serrano-Pueyo
- Departamento de Química Física, Facultad de Ciencias Químicas Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
| | | | | | - Francisco Ortega
- Departamento de Química Física, Facultad de Ciencias Químicas Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain; Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII, 1, 28040, Madrid, Spain
| | - Ramón G Rubio
- Departamento de Química Física, Facultad de Ciencias Químicas Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain; Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII, 1, 28040, Madrid, Spain.
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Cybulska-Stopa B, Regulski K, Wiśniowski R, Rajczykowski M, Suwinski R, Domagała-Haduch M, Piejko K, Drosik A, Bar-Letkiewicz I, Rauch L, Szczęsny T, Ziobro M, Mackiewicz J. Obese and overweight is associated with better prognosis in metastatic colorectal cancer patients treated with bevacizumab. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz246.128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Opaliński A, Regulski K, Mrzygłód B, Głowacki M, Kania A, Nastałek P, Celejewska-Wójcik N, Bochenek G, Sładek K. Medical data exploration based on the heterogeneous data sources aggregation system. Proceedings of the 2019 Federated Conference on Computer Science and Information Systems 2019. [DOI: 10.15439/2019f258] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Regulski K, Courtin P, Kulakauskas S, Chapot-Chartier MP. A novel type of peptidoglycan-binding domain highly specific for amidated D-Asp cross-bridge, identified in Lactobacillus casei bacteriophage endolysins. J Biol Chem 2013; 288:20416-26. [PMID: 23733182 DOI: 10.1074/jbc.m112.446344] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Peptidoglycan hydrolases (PGHs) are responsible for bacterial cell lysis. Most PGHs have a modular structure comprising a catalytic domain and a cell wall-binding domain (CWBD). PGHs of bacteriophage origin, called endolysins, are involved in bacterial lysis at the end of the infection cycle. We have characterized two endolysins, Lc-Lys and Lc-Lys-2, identified in prophages present in the genome of Lactobacillus casei BL23. These two enzymes have different catalytic domains but similar putative C-terminal CWBDs. By analyzing purified peptidoglycan (PG) degradation products, we showed that Lc-Lys is an N-acetylmuramoyl-L-alanine amidase, whereas Lc-Lys-2 is a γ-D-glutamyl-L-lysyl endopeptidase. Remarkably, both lysins were able to lyse only Gram-positive bacterial strains that possess PG with D-Ala(4)→D-Asx-L-Lys(3) in their cross-bridge, such as Lactococcus casei, Lactococcus lactis, and Enterococcus faecium. By testing a panel of L. lactis cell wall mutants, we observed that Lc-Lys and Lc-Lys-2 were not able to lyse mutants with a modified PG cross-bridge, constituting D-Ala(4)→L-Ala-(L-Ala/L-Ser)-L-Lys(3); moreover, they do not lyse the L. lactis mutant containing only the nonamidated D-Asp cross-bridge, i.e. D-Ala(4)→D-Asp-L-Lys(3). In contrast, Lc-Lys could lyse the ampicillin-resistant E. faecium mutant with 3→3 L-Lys(3)-D-Asn-L-Lys(3) bridges replacing the wild-type 4→3 D-Ala(4)-D-Asn-L-Lys(3) bridges. We showed that the C-terminal CWBD of Lc-Lys binds PG containing mainly D-Asn but not PG with only the nonamidated D-Asp-containing cross-bridge, indicating that the CWBD confers to Lc-Lys its narrow specificity. In conclusion, the CWBD characterized in this study is a novel type of PG-binding domain targeting specifically the D-Asn interpeptide bridge of PG.
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Regulski K, Courtin P, Meyrand M, Claes IJJ, Lebeer S, Vanderleyden J, Hols P, Guillot A, Chapot-Chartier MP. Analysis of the peptidoglycan hydrolase complement of Lactobacillus casei and characterization of the major γ-D-glutamyl-L-lysyl-endopeptidase. PLoS One 2012; 7:e32301. [PMID: 22384208 PMCID: PMC3288076 DOI: 10.1371/journal.pone.0032301] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Accepted: 01/24/2012] [Indexed: 01/01/2023] Open
Abstract
Peptidoglycan (PG) is the major component of Gram positive bacteria cell wall and is essential for bacterial integrity and shape. Bacteria synthesize PG hydrolases (PGHs) which are able to cleave bonds in their own PG and play major roles in PG remodelling required for bacterial growth and division. Our aim was to identify the main PGHs in Lactobacillus casei BL23, a lactic acid bacterium with probiotic properties. The PGH complement was first identified in silico by amino acid sequence similarity searches of the BL23 genome sequence. Thirteen PGHs were detected with different predicted hydrolytic specificities. Transcription of the genes was confirmed by RT-PCR. A proteomic analysis combining the use of SDS-PAGE and LC-MS/MS revealed the main seven PGHs synthesized during growth of L. casei BL23. Among these PGHs, LCABL_02770 (renamed Lc-p75) was identified as the major one. This protein is the homolog of p75 (Msp1) major secreted protein of Lactobacillus rhamnosus GG, which was shown to promote survival and growth of intestinal epithelial cells. We identified its hydrolytic specificity on PG and showed that it is a γ-D-glutamyl-L-lysyl-endopeptidase. It has a marked specificity towards PG tetrapeptide chains versus tripeptide chains and for oligomers rather than monomers. Immunofluorescence experiments demonstrated that Lc-p75 localizes at cell septa in agreement with its role in daughter cell separation. It is also secreted under an active form as detected in zymogram. Comparison of the muropeptide profiles of wild type and Lc-p75-negative mutant revealed a decrease of the amount of disaccharide-dipeptide in the mutant PG in agreement with Lc-p75 activity. As a conclusion, Lc-p75 is the major L. casei BL23 PGH with endopeptidase specificity and a key role in daughter cell separation. Further studies will aim at investigating the role of Lc-p75 in the anti-inflammatory potential of L. casei BL23.
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Affiliation(s)
- Krzysztof Regulski
- Institut National de la Recherche Agronomique, UMR1319 Micalis, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, Jouy-en-Josas, France
| | - Pascal Courtin
- Institut National de la Recherche Agronomique, UMR1319 Micalis, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, Jouy-en-Josas, France
| | - Mickael Meyrand
- Institut National de la Recherche Agronomique, UMR1319 Micalis, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, Jouy-en-Josas, France
| | | | - Sarah Lebeer
- Centre of Microbial and Plant Genetics, K.U. Leuven, Leuven, Belgium
| | - Jos Vanderleyden
- Centre of Microbial and Plant Genetics, K.U. Leuven, Leuven, Belgium
| | - Pascal Hols
- Biochimie et Génétique Moléculaire Bactérienne, Institut des Sciences de la Vie, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Alain Guillot
- Institut National de la Recherche Agronomique, UMR1319 Micalis, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, Jouy-en-Josas, France
| | - Marie-Pierre Chapot-Chartier
- Institut National de la Recherche Agronomique, UMR1319 Micalis, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, Jouy-en-Josas, France
- * E-mail:
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Kevei Z, Baloban M, Da Ines O, Tiricz H, Kroll A, Regulski K, Mergaert P, Kondorosi E. Conserved CDC20 cell cycle functions are carried out by two of the five isoforms in Arabidopsis thaliana. PLoS One 2011; 6:e20618. [PMID: 21687678 PMCID: PMC3110789 DOI: 10.1371/journal.pone.0020618] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Accepted: 05/09/2011] [Indexed: 12/21/2022] Open
Abstract
Background The CDC20 and Cdh1/CCS52 proteins are substrate determinants and activators of the Anaphase Promoting Complex/Cyclosome (APC/C) E3 ubiquitin ligase and as such they control the mitotic cell cycle by targeting the degradation of various cell cycle regulators. In yeasts and animals the main CDC20 function is the destruction of securin and mitotic cyclins. Plants have multiple CDC20 gene copies whose functions have not been explored yet. In Arabidopsis thaliana there are five CDC20 isoforms and here we aimed at defining their contribution to cell cycle regulation, substrate selectivity and plant development. Methodology/Principal Findings Studying the gene structure and phylogeny of plant CDC20s, the expression of the five AtCDC20 gene copies and their interactions with the APC/C subunit APC10, the CCS52 proteins, components of the mitotic checkpoint complex (MCC) and mitotic cyclin substrates, conserved CDC20 functions could be assigned for AtCDC20.1 and AtCDC20.2. The other three intron-less genes were silent and specific for Arabidopsis. We show that AtCDC20.1 and AtCDC20.2 are components of the MCC and interact with mitotic cyclins with unexpected specificity. AtCDC20.1 and AtCDC20.2 are expressed in meristems, organ primordia and AtCDC20.1 also in pollen grains and developing seeds. Knocking down both genes simultaneously by RNAi resulted in severe delay in plant development and male sterility. In these lines, the meristem size was reduced while the cell size and ploidy levels were unaffected indicating that the lower cell number and likely slowdown of the cell cycle are the cause of reduced plant growth. Conclusions/Significance The intron-containing CDC20 gene copies provide conserved and redundant functions for cell cycle progression in plants and are required for meristem maintenance, plant growth and male gametophyte formation. The Arabidopsis-specific intron-less genes are possibly “retrogenes” and have hitherto undefined functions or are pseudogenes.
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Affiliation(s)
- Zoltán Kevei
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif-sur-Yvette, France
- Institute for Plant Genomics, Human Biotechnology and Bioenergy, Bay Zoltan Foundation for Applied Research, Szeged, Hungary
| | - Mikhail Baloban
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif-sur-Yvette, France
| | - Olivier Da Ines
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif-sur-Yvette, France
| | - Hilda Tiricz
- Institute for Plant Genomics, Human Biotechnology and Bioenergy, Bay Zoltan Foundation for Applied Research, Szeged, Hungary
| | - Alexandra Kroll
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif-sur-Yvette, France
| | - Krzysztof Regulski
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif-sur-Yvette, France
| | - Peter Mergaert
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif-sur-Yvette, France
| | - Eva Kondorosi
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif-sur-Yvette, France
- Institute for Plant Genomics, Human Biotechnology and Bioenergy, Bay Zoltan Foundation for Applied Research, Szeged, Hungary
- * E-mail:
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Kevei Z, Lougnon G, Mergaert P, Horváth GV, Kereszt A, Jayaraman D, Zaman N, Marcel F, Regulski K, Kiss GB, Kondorosi A, Endre G, Kondorosi E, Ané JM. 3-hydroxy-3-methylglutaryl coenzyme a reductase 1 interacts with NORK and is crucial for nodulation in Medicago truncatula. Plant Cell 2007; 19:3974-89. [PMID: 18156218 PMCID: PMC2217646 DOI: 10.1105/tpc.107.053975] [Citation(s) in RCA: 98] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2007] [Revised: 11/08/2007] [Accepted: 11/29/2007] [Indexed: 05/18/2023]
Abstract
NORK in legumes encodes a receptor-like kinase that is required for Nod factor signaling and root nodule development. Using Medicago truncatula NORK as bait in a yeast two-hybrid assay, we identified 3-hydroxy-3-methylglutaryl CoA reductase 1 (Mt HMGR1) as a NORK interacting partner. HMGR1 belongs to a multigene family in M. truncatula, and different HMGR isoforms are key enzymes in the mevalonate biosynthetic pathway leading to the production of a diverse array of isoprenoid compounds. Testing other HMGR members revealed a specific interaction between NORK and HMGR1. Mutagenesis and deletion analysis showed that this interaction requires the cytosolic active kinase domain of NORK and the cytosolic catalytic domain of HMGR1. NORK homologs from Lotus japonicus and Sesbania rostrata also interacted with Mt HMGR1, but homologous nonsymbiotic kinases of M. truncatula did not. Pharmacological inhibition of HMGR activities decreased nodule number and delayed nodulation, supporting the importance of the mevalonate pathway in symbiotic development. Decreasing HMGR1 expression in M. truncatula transgenic roots by RNA interference led to a dramatic decrease in nodulation, confirming that HMGR1 is essential for nodule development. Recruitment of HMGR1 by NORK could be required for production of specific isoprenoid compounds, such as cytokinins, phytosteroids, or isoprenoid moieties involved in modification of signaling proteins.
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Affiliation(s)
- Zoltán Kevei
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, 91198 Gif-sur-Yvette Cedex, France
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