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Praticien-chercheur
5 articles scientifiques publiés — formation continue solide
Délais de RDV courts dans la région
146.3 rhumatos / 100 000 hab. — département bien doté
✨ Génération du profil synthétique IA en cours…
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The Journal of clinical investigation · 2019
Endocrinology · 2009
Obesity and osteoporosis are major health issues affecting millions of individuals. Transgenic mice overexpressing ΔFosB, an activator protein-1 transcription factor, under the control of the enolase 2 (ENO2) promoter exhibit both an increase in bone density and a decrease in adipose mass. Here we demonstrate that ΔFosB overexpression increases fatty-acid oxidation and energy expenditure, leading to a decrease in adipocyte size and adipose mass. In addition, the ENO2-ΔFosB mice exhibit increased insulin sensitivity and glucose tolerance. Targeted overexpression of ΔFosB in adipocytes using the adipocyte protein 2 promoter failed to induce changes in fat or in bone, showing that the effect on metabolic activity is not due to cell-autonomous effects of ΔFosB within adipocytes. Detailed analysis of the ENO2-ΔFosB mice demonstrated that energy expenditure was increased in muscle, independent of locomotor activity. These findings provide evidence that signaling downstream of ΔFosB is a potential target for not only osteoporosis but also obesity and diabetes. Overexpression of ΔFosB under the control of the enolase 2 promoter increases bone mass and energy expenditure by increasing fatty-acid oxidation within muscle, reducing adiposity.
The Laryngoscope · 2017
ObjectiveGranulomatosis with polyangiitis (GPA) is a necrotizing inflammatory disease that can affect the airway. The purpose of this study was to present a case of pediatric laryngotracheal GPA and provide management recommendations based on a thorough review of the literature.Data SourcesRetrospective chart and literature reviewReview MethodsA pediatric patient with laryngotracheal and pulmonary manifestations of GPA who underwent chemotherapy and intralesional corticosteroid injection is described. An extensive literature review of pediatric GPA affecting the larynx/trachea was also performed.ResultsA pediatric patient presented with acute respiratory distress. Flexible laryngoscopy revealed a laryngeal mass. Magnetic resonance imaging showed circumferential subglottic stenosis, and chest computed tomography demonstrated multiple pulmonary nodules. Laryngeal and tracheal biopsy revealed granulation tissue and primary vasculitis. Labs demonstrated positive cytoplasmic antineutrophil cytoplasmic antibody, consistent with GPA. Methylprednisone, rituximab, cyclophosphamide, and intralesional steroid injection resulted in remission after 12 weeks. Review of the literature revealed two pediatric cases series and 10 case reports of GPA affecting the larynx or trachea.ConclusionsThere is a higher prevalence of GPA of the airway in children when compared to adults. Biopsy of the airway lesion may not be necessary and has lower diagnostic yield compared to other GPA subsites. Medical management includes induction therapy followed by maintenance therapy once the disease is in remission. Most patients will require a surgical intervention to maintain the airway.Level of EvidenceNALaryngoscope, 127:233–240, 2017
Source PubMed · Recherche par auteur (homonymes possibles, vérifier l'affiliation).
The Journal of clinical investigation · 2019 · Journal Article
Lotinun S, Ishihara Y, Nagano K, Kiviranta R, et al.
Endocrinology · 2009 · Journal Article
Rowe GC, Choi CS, Neff L, Horne WC, et al.
Obesity pillars · 2025 · Journal Article
Trudeau JJ, Winger B, Gibble TH, Neff LM, et al.
The Laryngoscope · 2017 · Case Reports
Lee PY, Adil EA, Irace AL, Neff L, et al.
Obesity (Silver Spring, Md.) · 2025 · Journal Article
Hoog MM, Kan H, Deger KA, Sorensen S, et al.