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https://www.readbyqxmd.com/read/28327741/new-polyaminocarboxylate-macrocycles-containing-phenolate-binding-units-synthesis-luminescent-and-relaxometric-properties-of-their-lanthanide-complexes
#1
Morgane Enel, Nadine Leygue, Stéphane Balayssac, Sophie Laurent, Chantal Galaup, Luce Vander Elst, Claude Picard
The synthesis of two new polyaminocarboxylate macrocycles incorporating one or two intracyclic phenol units (H4L(1) and H8L(2), respectively) is described. The 12-membered H4L(1) macrocycle leads to soluble and stable mononuclear Ln(III) complexes of [(L(1))Ln(H2O)2](-) composition (Ln = Eu, Tb and Gd) in aqueous solutions. In Tris buffer (pH 7.4), the [(L(1))Tb(H2O)2](-) complex displays a suitable efficiency for sensitized emission (ηsens = 48%) and a high luminescence quantum yield (Φ = 22%), which is worthy of note for a bis-hydrated terbium complex...
March 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28318610/pharmacogenetics-of-immunosuppressants-state-of-the-art-and-clinical-implementation%C3%A2-%C3%A2-recommendations-from-the-french-national-network-of-pharmacogenetics-rnpgx
#2
Jean-Baptiste Woillard, Laurent Chouchana, Nicolas Picard, Marie-Anne Loriot
Therapeutic drug monitoring is already widely used for immunosuppressive drugs due to their narrow therapeutic index. This article summarizes evidence reported in the literature regarding the pharmacogenetics of (i) immunosuppressive drugs used in transplantation and (ii) azathioprine used in chronic inflammatory bowel disease. The conditions of use of currently available major pharmacogenetic tests are detailed and recommendations are provided based on a scale established by the RNPGx scoring tests as "essential", "advisable" and "potentially useful"...
January 30, 2017: Thérapie
https://www.readbyqxmd.com/read/28303134/bronchial-epithelial-cells-from-asthmatic-patients-display-less-functional-hla-g-isoform-expression
#3
Federico Carlini, Christophe Picard, Céline Garulli, David Piquemal, Pierre Roubertoux, Jacques Chiaroni, Pascal Chanez, Delphine Gras, Julie Di Cristofaro
Not all asthmatic patients adequately respond to current available treatments, such as inhaled corticosteroids or omalizumab(®). New treatments will aim to target the bronchial epithelium-immune response interaction using different pathways. HLA-G is involved in immunomodulation and may promote epithelial cell differentiation and proliferation. HLA-G protein has several isoforms generated by alternative splicing that might have differential functionalities. HLA-G protein expression and genetic polymorphisms have been reported to be associated with asthma...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28300866/thrombotic-risk-according-to-serpinc1-genotype-in-a-large-cohort-of-subjects-with-antithrombin-inherited-deficiency
#4
Martine Alhenc-Gelas, Genevieve Plu-Bureau, Justine Hugon-Rodin, Véronique Picard, Marie-Helene Horellou
Inherited quantitative (type I) or qualitative (type II) antithrombin deficiency (ATD) due to mutations in the SERPINC1 gene is a well-known risk factor for venous thromboembolism. ATD may also increase risk for arterial thrombosis. Few studies have investigated risk for thrombosis according to mutations. We addressed this topic in a large retrospective cohort study of 540 heterozygous carriers of SERPINC1 mutations and compared risk for first venous or arterial thrombosis associated with carrying of different type II or type I mutations...
March 16, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28292781/oxidative-stress-in-aspic-vipers-facing-pregnancy-and-water-constraints
#5
Antoine Stier, Andréaz Dupoué, Damien Picard, Frédéric Angelier, François Brischoux, Olivier Lourdais
The physiological mechanisms underlying the 'cost of reproduction' remain under debate, though oxidative stress has emerged as a potential candidate. The 'oxidative cost of reproduction' has received considerable attention with regards to food and antioxidant availability, however the limitation of water availability has thus far been neglected. In this study we experimentally examined the combined effect of pregnancy and water-deprivation on oxidative status in a viviparous snake (Vipera aspis), a species naturally exposed to periods of water and food deprivation...
March 14, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28291234/collocated-observations-of-cloud-condensation-nuclei-particle-size-distributions-and-chemical-composition
#6
Julia Schmale, Silvia Henning, Bas Henzing, Helmi Keskinen, Karine Sellegri, Jurgita Ovadnevaite, Aikaterini Bougiatioti, Nikos Kalivitis, Iasonas Stavroulas, Anne Jefferson, Minsu Park, Patrick Schlag, Adam Kristensson, Yoko Iwamoto, Kirsty Pringle, Carly Reddington, Pasi Aalto, Mikko Äijälä, Urs Baltensperger, Jakub Bialek, Wolfram Birmili, Nicolas Bukowiecki, Mikael Ehn, Ann Mari Fjæraa, Markus Fiebig, Göran Frank, Roman Fröhlich, Arnoud Frumau, Masaki Furuya, Emanuel Hammer, Liine Heikkinen, Erik Herrmann, Rupert Holzinger, Hiroyuki Hyono, Maria Kanakidou, Astrid Kiendler-Scharr, Kento Kinouchi, Gerard Kos, Markku Kulmala, Nikolaos Mihalopoulos, Ghislain Motos, Athanasios Nenes, Colin O'Dowd, Mikhail Paramonov, Tuukka Petäjä, David Picard, Laurent Poulain, André Stephan Henry Prévôt, Jay Slowik, Andre Sonntag, Erik Swietlicki, Birgitta Svenningsson, Hiroshi Tsurumaru, Alfred Wiedensohler, Cerina Wittbom, John A Ogren, Atsushi Matsuki, Seong Soo Yum, Cathrine Lund Myhre, Ken Carslaw, Frank Stratmann, Martin Gysel
Cloud condensation nuclei (CCN) number concentrations alongside with submicrometer particle number size distributions and particle chemical composition have been measured at atmospheric observatories of the Aerosols, Clouds, and Trace gases Research InfraStructure (ACTRIS) as well as other international sites over multiple years. Here, harmonized data records from 11 observatories are summarized, spanning 98,677 instrument hours for CCN data, 157,880 for particle number size distributions, and 70,817 for chemical composition data...
March 14, 2017: Scientific Data
https://www.readbyqxmd.com/read/28274589/contemporary-use-of-drug-coated-balloons-in-coronary-artery-disease-where-are-we-now
#7
REVIEW
Fabien Picard, Serge Doucet, Anita W Asgar
The drug-coated balloon (DCB) has emerged as an additional tool in the arsenal of interventional cardiology devices; it delivers antiproliferative drugs to local arterial tissue by single prolonged coated balloon angioplasty inflation, and prevents restenosis, leaving no implant behind. This strategy theoretically decreases the risk of late inflammatory response to device components, without preventing positive remodelling. DCBs, when used carefully and with a good technique, may have a role in the treatment of lesion subsets, such as in-stent restenosis, small vessel disease or side branch bifurcations, in which the implantation of a drug-eluting stent is not desirable or is technically challenging...
March 5, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28271077/tmem187-irak1-polymorphisms-associated-with-rheumatoid-arthritis-susceptibility-in-tunisian-and-french-female-populations-influence-of-geographic-origin
#8
Olfa Khalifa, Nathalie Balandraud, Nathalie Lambert, Isabelle Auger, Jean Roudier, Audrey Sénéchal, David Geneviève, Christophe Picard, Gérard Lefranc, Isabelle Touitou, Bakridine M'Madi Mrenda, Cécilia Benedito, Etienne Pardoux, Anne-Laure Gagez, Yves-Marie Pers, Christian Jorgensen, Touhami Mahjoub, Florence Apparailly
Polymorphisms have been identified in the Xq28 locus as risk loci for rheumatoid arthritis (RA). Here, we investigated the association between three polymorphisms in the Xq28 region containing TMEM187 and IRAK1 (rs13397, rs1059703, and rs1059702) in two unstudied populations: Tunisian and French. The rs13397 G and rs1059703 T major alleles were significantly increased in RA patients (n = 408) compared with age-matched controls (n = 471) in both Tunisian and French women. These results were confirmed by a meta-analysis replication study including two independent Greek and Korean cohorts...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28264884/functional-and-structural-insight-into-properdin-control-of-complement-alternative-pathway-amplification
#9
Dennis V Pedersen, Lubka Roumenina, Rasmus K Jensen, Trine Af Gadeberg, Chiara Marinozzi, Capucine Picard, Tania Rybkine, Steffen Thiel, Uffe Bs Sørensen, Cordula Stover, Veronique Fremeaux-Bacchi, Gregers R Andersen
Properdin (FP) is an essential positive regulator of the complement alternative pathway (AP) providing stabilization of the C3 and C5 convertases, but its oligomeric nature challenges structural analysis. We describe here a novel FP deficiency (E244K) caused by a single point mutation which results in a very low level of AP activity. Recombinant FP E244K is monomeric, fails to support bacteriolysis, and binds weakly to C3 products. We compare this to a monomeric unit excised from oligomeric FP, which is also dysfunctional in bacteriolysis but binds the AP proconvertase, C3 convertase, C3 products and partially stabilizes the convertase...
March 6, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28262904/-29-si-nmr-and-saxs-investigation-of-the-hybrid-organic-inorganic-glasses-obtained-by-consolidation-of-the-melting-gels
#10
Andrei Jitianu, Sylvian Cadars, Fan Zhang, Gabriela Rodriguez, Quentin Picard, Mario Aparicio, Jadra Mosa, Lisa C Klein
This study is focused on structural characterization of hybrid glasses obtained by consolidation of melting gels. The melting gels were prepared in molar ratios of methyltriethoxysilane (MTES) and dimethyldiethoxysilane (DMDES) of 75%MTES-25%DMDES and 65%MTES-35%DMDES. Following consolidation, the hybrid glasses were characterized using Raman, (29)Si and (13)C Nuclear Magnetic Resonance (NMR) spectroscopies, synchrotron Small Angle X-Ray Scattering (SAXS) and scanning electron microscopy (SEM). Raman spectroscopy revealed the presence of Si-C bonds in the hybrid glasses and 8-membered ring structures in the Si-O-Si network...
March 14, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28260109/absence-of-malat1-does-not-prevent-den-induced-hepatocarcinoma-in-mice
#11
Stéphanie Miard, Marie-Josée Girard, Philippe Joubert, Sophie Carter, Amy Gonzales, Huiping Guo, Benjamin Morpurgo, Louise Boivin, Andrei Golovko, Frédéric Picard
Long non-coding RNAs (lncRNA) are key regulators of gene expression both at the transcriptional and post-transcriptional levels. The lncRNA metastasis associated lung adenocarcinoma transcript 1 (Malat1) is overexpressed in many types of cancer, including hepatocarcinoma, and induces cell proliferation in several cell lines in vitro. However, the direct causal effects of Malat1 on hepatocyte proliferation and liver carcinogenesis in vivo are not fully understood. To better determine the contribution of Malat1 to hepatocarcinoma oncogenesis, this study was aimed at testing the hypothesis that its absence confers resistance to the development of liver tumors...
February 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28259104/association-of-oncogenic-mutations-in-patients-with-advanced-cutaneous-squamous-cell-carcinomas-treated-with-cetuximab
#12
Alexandra Picard, Florence Pedeutour, Frédéric Peyrade, Laurence Saudes, Valérie Duranton-Tanneur, Emmanuel Chamorey, Nathalie Cardot-Leccia, Anne Sudaka, Marc Ettaiche, Maxime Benchetrit, Gilles Poissonnet, Nicolas Weinbreck, Bérengère Dadone, Jean-Philippe Lacour, Thierry Passeron, Henri Montaudié
Importance: Cetuximab was recently proposed for advanced cutaneous squamous cell carcinomas (cSCC); however, its efficacy is inconsistent and identification of predictive biomarkers for response is necessary. Objective: To search for somatic mutations of the HRAS, KRAS, NRAS, BRAF, and EGFR genes in patients with advanced cSCC treated with cetuximab; and to investigate the efficacy and tolerance of cetuximab according to these mutations. Design, Setting, and Participants: A multicentric and retrospective study of 31 patients (22 men, 9 women) with histologically confirmed advanced cSCC carried out in 1 department of dermatology and 2 departments of medical oncology in France between January 2008 and December 2014...
March 4, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28252368/consumption-of-energy-drinks-among-qu%C3%A3-bec-college-students
#13
Marianne Picard-Masson, Julie Loslier, Pierre Paquin, Karine Bertrand
OBJECTIVES: Consumption of energy drinks (ED) raises concerns because of adverse health effects possibly linked with high levels of caffeine and sugar intake. The study looks at the scope of ED consumption as well as some of the associated characteristics. METHODS: Thirty-six public colleges in the Canadian province of Québec agreed to participate in a descriptive cross-sectional study (n = 36). In February 2013, participating colleges invited their students to answer an online questionnaire on consumption of ED, alcoholic ED (AED), and ED in combination with other psychotropic drugs...
March 1, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28249776/lack-of-interaction-between-between-nemo-and-sharpin-impairs-linear-ubiquitination-and-nf-%C3%AE%C2%BAb-activation-and-leads-to-incontinentia-pigmenti
#14
E Bal, E Laplantine, Y Hamel, V Dubosclard, B Boisson, A Pesacatore, C Picard, S Hadj-Rabia, G Royer, J Steffann, J P Bonnefont, V M Ursini, P Vabres, A Munnich, J L Casanova, C Bodemer, R Weil, F Agou, A Smahi
BACKGROUND: Incontinentia pigmenti (IP; MIM308300) is a severe, male-lethal, X-linked, dominant genodermatosis resulting from loss-of-function mutations in the IKBKG gene encoding NF-κB essential modulator (NEMO, the regulatory subunit of the IKK complex). In 80% of cases of IP, the deletion of exons 4 to 10 leads to the absence of NEMO and total inhibition of NF-κB signaling. Here, we described a new IKBKG mutation responsible for IP resulting in an inactive truncated form of NEMO...
February 26, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28248227/calcium-homeostasis-and-muscle-energy-metabolism-are-modified-in-hspb1-null-mice
#15
Brigitte Picard, Malek Kammoun, Mohammed Gagaoua, Christiane Barboiron, Bruno Meunier, Christophe Chambon, Isabelle Cassar-Malek
Hsp27-encoded by HspB1-is a member of the small heat shock proteins (sHsp, 12-43 kDa (kilodalton)) family. This protein is constitutively present in a wide variety of tissues and in many cell lines. The abundance of Hsp27 is highest in skeletal muscle, indicating a crucial role for muscle physiology. The protein identified as a beef tenderness biomarker was found at a crucial hub in a functional network involved in beef tenderness. The aim of this study was to analyze the proteins impacted by the targeted invalidation of HspB1 in the Tibialis anterior muscle of the mouse...
May 4, 2016: Proteomes
https://www.readbyqxmd.com/read/28242127/pharmacog%C3%A3-n%C3%A3-tique-des-immunosuppresseurs%C3%A2-%C3%A3-tat-des-connaissances-et-des-pratiques%C3%A2-%C3%A2-%C3%A2-recommandations-du-r%C3%A3-seau-national-de-pharmacog%C3%A3-n%C3%A3-tique-rnpgx
#16
Jean-Baptiste Woillard, Laurent Chouchana, Nicolas Picard, Marie-Anne Loriot
No abstract text is available yet for this article.
January 3, 2017: Thérapie
https://www.readbyqxmd.com/read/28239450/erratum-to-scaling-up-strategies-of-the-chronic-respiratory-disease-programme-of-the-european-innovation-partnership-on-active-and-healthy-ageing-action-plan-b3-area-5
#17
J Bousquet, J Farrell, G Crooks, P Hellings, E H Bel, M Bewick, N H Chavannes, J Correia de Sousa, A A Cruz, T Haahtela, G Joos, N Khaltaev, J Malva, A Muraro, M Nogues, S Palkonen, S Pedersen, C Robalo-Cordeiro, B Samolinski, T Strandberg, A Valiulis, A Yorgancioglu, T Zuberbier, A Bedbrook, W Aberer, M Adachi, A Agusti, C A Akdis, M Akdis, J Ankri, A Alonso, I Annesi-Maesano, I J Ansotegui, J M Anto, S Arnavielhe, H Arshad, C Bai, I Baiardini, C Bachert, A K Baigenzhin, C Barbara, E D Bateman, B Beghé, A Ben Kheder, K S Bennoor, M Benson, K C Bergmann, T Bieber, C Bindslev-Jensen, L Bjermer, H Blain, F Blasi, A L Boner, M Bonini, S Bonini, S Bosnic-Anticevitch, L P Boulet, R Bourret, P J Bousquet, F Braido, A H Briggs, C E Brightling, J Brozek, R Buhl, P G Burney, A Bush, F Caballero-Fonseca, D Caimmi, M A Calderon, P M Calverley, P A M Camargos, G W Canonica, T Camuzat, K H Carlsen, W Carr, A Carriazo, T Casale, A M Cepeda Sarabia, L Chatzi, Y Z Chen, R Chiron, E Chkhartishvili, A G Chuchalin, K F Chung, G Ciprandi, I Cirule, L Cox, D J Costa, A Custovic, R Dahl, S E Dahlen, U Darsow, G De Carlo, F De Blay, T Dedeu, D Deleanu, E De Manuel Keenoy, P Demoly, J A Denburg, P Devillier, A Didier, A T Dinh-Xuan, R Djukanovic, D Dokic, H Douagui, G Dray, R Dubakiene, S R Durham, M S Dykewicz, Y El-Gamal, R Emuzyte, L M Fabbri, M Fletcher, A Fiocchi, A Fink Wagner, J Fonseca, W J Fokkens, F Forastiere, P Frith, M Gaga, A Gamkrelidze, J Garces, J Garcia-Aymerich, B Gemicioğlu, J E Gereda, S González Diaz, M Gotua, I Grisle, L Grouse, Z Gutter, M A Guzmán, L G Heaney, B Hellquist-Dahl, D Henderson, A Hendry, J Heinrich, D Heve, F Horak, J O' B Hourihane, P Howarth, M Humbert, M E Hyland, M Illario, J C Ivancevich, J R Jardim, E J Jares, C Jeandel, C Jenkins, S L Johnston, O Jonquet, K Julge, K S Jung, J Just, I Kaidashev, M R Khaitov, O Kalayci, A F Kalyoncu, T Keil, P K Keith, L Klimek, B Koffi N'Goran, V Kolek, G H Koppelman, M L Kowalski, I Kull, P Kuna, V Kvedariene, B Lambrecht, S Lau, D Larenas-Linnemann, D Laune, L T T Le, P Lieberman, B Lipworth, J Li, K Lodrup Carlsen, R Louis, W MacNee, Y Magard, A Magnan, B Mahboub, A Mair, I Majer, M J Makela, P Manning, S Mara, G D Marshall, M R Masjedi, P Matignon, M Maurer, S Mavale-Manuel, E Melén, E Melo-Gomes, E O Meltzer, A Menzies-Gow, H Merk, J P Michel, N Miculinic, F Mihaltan, B Milenkovic, G M Y Mohammad, M Molimard, I Momas, A Montilla-Santana, M Morais-Almeida, M Morgan, R Mösges, J Mullol, S Nafti, L Namazova-Baranova, R Naclerio, A Neou, H Neffen, K Nekam, B Niggemann, G Ninot, T D Nyembue, R E O'Hehir, K Ohta, Y Okamoto, K Okubo, S Ouedraogo, P Paggiaro, I Pali-Schöll, P Panzner, N Papadopoulos, A Papi, H S Park, G Passalacqua, I Pavord, R Pawankar, R Pengelly, O Pfaar, R Picard, B Pigearias, I Pin, D Plavec, D Poethig, W Pohl, T A Popov, F Portejoie, P Potter, D Postma, D Price, K F Rabe, F Raciborski, F Radier Pontal, S Repka-Ramirez, S Reitamo, S Rennard, F Rodenas, J Roberts, J Roca, L Rodriguez Mañas, C Rolland, M Roman Rodriguez, A Romano, J Rosado-Pinto, N Rosario, L Rosenwasser, M Rottem, D Ryan, M Sanchez-Borges, G K Scadding, H J Schunemann, E Serrano, P Schmid-Grendelmeier, H Schulz, A Sheikh, M Shields, N Siafakas, Y Sibille, T Similowski, F E R Simons, J C Sisul, I Skrindo, H A Smit, D Solé, T Sooronbaev, O Spranger, R Stelmach, P J Sterk, J Sunyer, C Thijs, T To, A Todo-Bom, M Triggiani, R Valenta, A L Valero, E Valia, E Valovirta, E Van Ganse, M van Hage, O Vandenplas, T Vasankari, B Vellas, J Vestbo, G Vezzani, P Vichyanond, G Viegi, C Vogelmeier, T Vontetsianos, M Wagenmann, B Wallaert, S Walker, D Y Wang, U Wahn, M Wickman, D M Williams, S Williams, J Wright, B P Yawn, P K Yiallouros, O M Yusuf, A Zaidi, H J Zar, M E Zernotti, L Zhang, N Zhong, M Zidarn, J Mercier
[This corrects the article DOI: 10.1186/s13601-016-0116-9.].
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28238399/editorial
#18
EDITORIAL
Laurent Becquemont, Nicolas Picard, Céline Verstuyft
No abstract text is available yet for this article.
January 30, 2017: Thérapie
https://www.readbyqxmd.com/read/28237406/pharmacogenetics-based-personalized-therapy-levels-of-evidence-and-recommendations-from-the-french-network-of-pharmacogenetics-rnpgx
#19
Nicolas Picard, Jean-Christophe Boyer, Marie-Christine Etienne-Grimaldi, Chantal Barin-Le Guellec, Fabienne Thomas, Marie-Anne Loriot
More than 50 laboratories offer pharmacogenetic testing in France. These tests are restricted to a limited number of indications: prevention of serious adverse drug reactions; choice of most appropriate therapeutic option; dose adjustment for a specific drug. A very small proportion of these tests are mentioned in drug information labeling and the data provided (if any) are generally insufficient to ascertain whether a test is required and if it is useful. This article discusses the rationale for evaluating the performance and clinical usefulness of pharmacogenetics and provides, on behalf of the French national network of pharmacogenetics (RNPGx), three levels of recommendation for testing: essential, advisable, and possibly helpful...
January 30, 2017: Thérapie
https://www.readbyqxmd.com/read/28223503/mitochondrial-energy-deficiency-leads-to-hyperproliferation-of-skeletal-muscle-mitochondria-and-enhanced-insulin-sensitivity
#20
Ryan M Morrow, Martin Picard, Olga Derbeneva, Jeremy Leipzig, Meagan J McManus, Gilles Gouspillou, Sébastien Barbat-Artigas, Carlos Dos Santos, Russell T Hepple, Deborah G Murdock, Douglas C Wallace
Diabetes is associated with impaired glucose metabolism in the presence of excess insulin. Glucose and fatty acids provide reducing equivalents to mitochondria to generate energy, and studies have reported mitochondrial dysfunction in type II diabetes patients. If mitochondrial dysfunction can cause diabetes, then we hypothesized that increased mitochondrial metabolism should render animals resistant to diabetes. This was confirmed in mice in which the heart-muscle-brain adenine nucleotide translocator isoform 1 (ANT1) was inactivated...
March 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
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