6 results on '"Salles, Jean Pierre"'
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2. Orofacial Features, Oral Health-Related Quality of Life, and Exposure to Bullying in Osteogenesis Imperfecta: A Cross-Sectional Study.
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Broutin, Alice, Salles, Jean-Pierre, Porquet-Bordes, Valérie, Edouard, Thomas, Vaysse, Frédéric, and Noirrit-Esclassan, Emmanuelle
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Background/Objectives: Osteogenesis imperfecta (OI) is a rare genetic disease that is responsible for bone fragility, but also for dental malocclusions and dentinogenesis imperfecta (DI). The aim of this study was to assess whether the severity of dental malocclusion influenced the oral health-related quality of life (OHRQoL) and exposure to bullying in a paediatric OI population compared with a control group. Methods: Dental and occlusal characteristics were noted during oral and radiographic examination. The severity of malocclusion was assessed using the PAR index. P-CPQ, COHIP(34), and BCS-A questionnaires were used to evaluate, respectively, externally and self-perceived OHRQoL and bullying. Results: We included 39 patients with a mean age of 11.3 (±4.8 SD) in the OI group, and 45 patients with a mean age of 12.3 (±3.2 SD) in the control group. There were no significant differences between the two groups in terms of occlusal vertical and transverse dimensions. Patients with severe OI, presenting with bone fractures, bones deformities, and short stature, had significantly more anterior (p < 0.05) and posterior openbites (p < 0.05) and more DI (p < 0.05) compared to patients who had moderate or mild OI. Self-perceived OHRQoL was negatively impacted by the disease (p = 0.01), particularly in the domains of oral health (p < 0.05) and self-image (p < 0.001), but not by its severity. Exposure to bullying did not differ significantly between the two groups, although more patients with OI reported being teased (21.4% face to face and 7.1% online vs. 14.6% and 2.4% in the control group). Conclusion: Interventions for dental malocclusion and oral health in OI patients would help to improve their quality of life and self-image. [ABSTRACT FROM AUTHOR]
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- 2024
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3. From Classical to Alternative Pathways of 2-Arachidonoylglycerol Synthesis: AlterAGs at the Crossroad of Endocannabinoid and Lysophospholipid Signaling.
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Briand-Mésange, Fabienne, Gennero, Isabelle, Salles, Juliette, Trudel, Stéphanie, Dahan, Lionel, Ausseil, Jérôme, Payrastre, Bernard, Salles, Jean-Pierre, and Chap, Hugues
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PHOSPHODIESTERASES ,HYDROLASES ,BONE growth ,LYSOPHOSPHOLIPIDS ,AUTOTAXIN ,CANNABINOID receptors - Abstract
2-arachidonoylglycerol (2-AG) is the most abundant endocannabinoid (EC), acting as a full agonist at both CB1 and CB2 cannabinoid receptors. It is synthesized on demand in postsynaptic membranes through the sequential action of phosphoinositide-specific phospholipase Cβ1 (PLCβ1) and diacylglycerol lipase α (DAGLα), contributing to retrograde signaling upon interaction with presynaptic CB1. However, 2-AG production might also involve various combinations of PLC and DAGL isoforms, as well as additional intracellular pathways implying other enzymes and substrates. Three other alternative pathways of 2-AG synthesis rest on the extracellular cleavage of 2-arachidonoyl-lysophospholipids by three different hydrolases: glycerophosphodiesterase 3 (GDE3), lipid phosphate phosphatases (LPPs), and two members of ecto-nucleotide pyrophosphatase/phosphodiesterases (ENPP6–7). We propose the names of AlterAG-1, -2, and -3 for three pathways sharing an ectocellular localization, allowing them to convert extracellular lysophospholipid mediators into 2-AG, thus inducing typical signaling switches between various G-protein-coupled receptors (GPCRs). This implies the critical importance of the regioisomerism of both lysophospholipid (LPLs) and 2-AG, which is the object of deep analysis within this review. The precise functional roles of AlterAGs are still poorly understood and will require gene invalidation approaches, knowing that both 2-AG and its related lysophospholipids are involved in numerous aspects of physiology and pathology, including cancer, inflammation, immune defenses, obesity, bone development, neurodegeneration, or psychiatric disorders. [ABSTRACT FROM AUTHOR]
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- 2024
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4. Plasma p-tau181 as an outcome and predictor of multidomain intervention effects: a secondary analysis of a randomised, controlled, dementia prevention trial
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Coley, Nicola, primary, Zetterberg, Henrik, additional, Cantet, Christelle, additional, Guyonnet, Sophie, additional, Ashton, Nicholas J, additional, Vellas, Bruno, additional, Blennow, Kaj, additional, Andrieu, Sandrine, additional, Carrié, Isabelle, additional, Brigitte, Lauréane, additional, Faisant, Catherine, additional, Lala, Françoise, additional, Delrieu, Julien, additional, Villars, Hélène, additional, Combrouze, Emeline, additional, Badufle, Carole, additional, Zueras, Audrey, additional, Morin, Christophe, additional, Abellan Van Kan, Gabor, additional, Dupuy, Charlotte, additional, Rolland, Yves, additional, Caillaud, Céline, additional, Ousset, Pierre-Jean, additional, Willis, Sherry, additional, Belleville, Sylvie, additional, Gilbert, Brigitte, additional, Fontaine, Francine, additional, Dartigues, Jean-François, additional, Marcet, Isabelle, additional, Delva, Fleur, additional, Foubert, Alexandra, additional, Cerda, Sandrine, additional, Cuffi, Marie-Noëlle, additional, Costes, Corinne, additional, Rouaud, Olivier, additional, Manckoundia, Patrick, additional, Quipourt, Valérie, additional, Marilier, Sophie, additional, Franon, Evelyne, additional, Bories, Lawrence, additional, Pader, Marie-Laure, additional, Basset, Marie-France, additional, Lapoujade, Bruno, additional, Faure, Valérie, additional, Li Yung Tong, Michael, additional, Malick-Loiseau, Christine, additional, Cazaban-Campistron, Evelyne, additional, Desclaux, Françoise, additional, Blatge, Colette, additional, Dantoine, Thierry, additional, Laubarie-Mouret, Cécile, additional, Saulnier, Isabelle, additional, Clément, Jean-Pierre, additional, Picat, Marie-Agnès, additional, Bernard-Bourzeix, Laurence, additional, Willebois, Stéphanie, additional, Désormais, Iléana, additional, Cardinaud, Noëlle, additional, Bonnefoy, Marc, additional, Livet, Pierre, additional, Rebaudet, Pascale, additional, Gédéon, Claire, additional, Burdet, Catherine, additional, Terracol, Flavien, additional, Pesce, Alain, additional, Roth, Stéphanie, additional, Chaillou, Sylvie, additional, Louchart, Sandrine, additional, Sudres, Kristel, additional, Lebrun, Nicolas, additional, Barro-Belaygues, Nadège, additional, Touchon, Jacques, additional, Bennys, Karim, additional, Gabelle, Audrey, additional, Romano, Aurélia, additional, Touati, Lynda, additional, Marelli, Cécilia, additional, Pays, Cécile, additional, Robert, Philippe, additional, Le Duff, Franck, additional, Gervais, Claire, additional, Gonfrier, Sébastien, additional, Gasnier, Yannick, additional, Bordes, Serge, additional, Begorre, Danièle, additional, Carpuat, Christian, additional, Khales, Khaled, additional, Lefebvre, Jean-François, additional, Misbah El Idrissi, Samira, additional, Skolil, Pierre, additional, Salles, Jean-Pierre, additional, Dufouil, Carole, additional, Lehéricy, Stéphane, additional, Chupin, Marie, additional, Mangin, Jean-François, additional, Bouhayia, Ali, additional, Allard, Michèle, additional, Ricolfi, Frédéric, additional, Dubois, Dominique, additional, Bonceour Martel, Marie Paule, additional, Cotton, François, additional, Bonafé, Alain, additional, Chanalet, Stéphane, additional, Hugon, Françoise, additional, Bonneville, Fabrice, additional, Cognard, Christophe, additional, Chollet, François, additional, Payoux, Pierre, additional, Voisin, Thierry, additional, Peiffer, Sophie, additional, Hitzel, Anne, additional, Zanca, Michel, additional, Monteil, Jacques, additional, Darcourt, Jacques, additional, Molinier, Laurent, additional, Derumeaux, Hélène, additional, Costa, Nadège, additional, Perret, Bertrand, additional, Vinel, Claire, additional, Caspar-Bauguil, Sylvie, additional, Olivier-Abbal, Pascale, additional, and Coley, Nicola, additional
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- 2024
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5. Differential DNA methylation in iPSC-derived dopaminergic neurons: a step forward on the role of SNORD116microdeletion in the pathophysiology of addictive behavior in Prader-Willi syndrome
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Salles, Juliette, Eddiry, Sanaa, Amri, Saber, Galindo, Mélissa, Lacassagne, Emmanuelle, George, Simon, Mialhe, Xavier, Lhuillier, Émeline, Franchitto, Nicolas, Jeanneteau, Freddy, Gennero, Isabelle, Salles, Jean-Pierre, and Tauber, Maithé
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Introduction: A microdeletion including the SNORD116gene (SNORD116MD) has been shown to drive the Prader-Willi syndrome (PWS) features. PWS is a neurodevelopmental disorder clinically characterized by endocrine impairment, intellectual disability and psychiatric symptoms such as a lack of emotional regulation, impulsivity, and intense temper tantrums with outbursts. In addition, this syndrome is associated with a nutritional trajectory characterized by addiction-like behavior around food in adulthood. PWS is related to the genetic loss of expression of a minimal region that plays a potential role in epigenetic regulation. Nevertheless, the role of the SNORD116MD in DNA methylation, as well as the impact of the oxytocin (OXT) on it, have never been investigated in human neurons. Methods: We studied the methylation marks in induced pluripotent stem-derived dopaminergic neurons carrying a SNORD116MD in comparison with those from an age-matched adult healthy control. We also performed identical neuron differentiation in the presence of OXT. We performed a genome-wide DNA methylation analysis from the iPSC-derived dopaminergic neurons by reduced-representation bisulfite sequencing. In addition, we performed RNA sequencing analysis in these iPSC-derived dopaminergic neurons differentiated with or without OXT. Results: The analysis revealed that 153,826 cytosines were differentially methylated between SNORD116MD neurons and control neurons. Among the differentially methylated genes, we determined a list of genes also differentially expressed. Enrichment analysis of this list encompassed the dopaminergic system with COMTand SLC6A3. COMTdisplayed hypermethylation and under-expression in SNORD116MD, and SLC6A3displayed hypomethylation and over-expression in SNORD116MD. RT-qPCR confirmed significant over-expression of SLC6A3in SNORD116 MDneurons. Moreover, the expression of this gene was significantly decreased in the case of OXT adjunction during the differentiation. Conclusion: SNORD116MD dopaminergic neurons displayed differential methylation and expression in the COMTand SLC6A3genes, which are related to dopaminergic clearance.
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- 2024
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6. LB-048 - SAFETY, IMMUNE RESPONSE AND PRELIMINARY EFFICACY OF PPV-06 ACTIVE IMMUNOTHERAPY, A VACCINE FOR INFLAMMATORY KNEE OSTEOARTHRITIS: A PHASE 1, DOUBLE-BLIND, RANDOMIZED, PLACEBO-CONTROLLED, DOSE ESCALATION STUDY.
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Rannou, François, Launay, Odile, Zagury, Jean-François, Desallais, Lucille, Salles, Jean-Pierre, Paquet, Jeanne, Pitrosky, Bruno, Do, Hervé, Azoulai, René, and DOLIMIER, Edita
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- 2024
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