Literatura científica selecionada sobre o tema "Diabète induit par les glucocorticoïdes"
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Artigos de revistas sobre o assunto "Diabète induit par les glucocorticoïdes"
Ksouda, K., H. Affes, K. Djemal, L. Chtourou, I. Ben Ayed, Z. Sahnoun, S. Hammami e K. Mounir-Zeghal. "Hoquet induit par les glucocorticoïdes". Journal Africain d'Hépato-Gastroentérologie 9, n.º 3 (30 de junho de 2015): 132–35. http://dx.doi.org/10.1007/s12157-015-0609-5.
Texto completo da fonteVergès, B. "Diabète induit par les somatostatinergiques". Médecine des Maladies Métaboliques 10, n.º 8 (dezembro de 2016): 707–11. http://dx.doi.org/10.1016/s1957-2557(16)30208-5.
Texto completo da fonteChafai, Karima, Anes Remache, Marie Lejeune, Joël Ezenfis e Alfred Penfornis. "Diabète induit par l’alpelisib : à propos d’un cas". Médecine des Maladies Métaboliques 15, n.º 4 (junho de 2021): 398–401. http://dx.doi.org/10.1016/j.mmm.2021.03.003.
Texto completo da fonteRochette, C., E. Poisnel, C. Landais, L. Raout, J. F. Paris e P. Carli. "Diabète auto-immun induit par un DRESS syndrome". La Revue de Médecine Interne 33 (junho de 2012): S186—S187. http://dx.doi.org/10.1016/j.revmed.2012.03.325.
Texto completo da fonteGodel, A., S. Thebault, S. Arista, P. Delobel, O. Beyne-Rauzy, L. Alric, J. L. Payen e M. Duffaut. "Diabète auto-immun induit par l'interferon:Deux cas confirmés rétrospectivement". La Revue de Médecine Interne 24 (junho de 2003): 131s. http://dx.doi.org/10.1016/s0248-8663(03)80319-3.
Texto completo da fonteClerc, M., B. Bonniaud, E. Bou Assi, M. Legendre, A. Nguyen, J. M. Petit, P. H. Bonnot e S. Dalac. "Un coma acidocétosique révélateur d’un diabète induit par nivolumab". Annales de Dermatologie et de Vénéréologie 144, n.º 12 (dezembro de 2017): S310. http://dx.doi.org/10.1016/j.annder.2017.09.521.
Texto completo da fonteDalle, H., M. Garcia, T. Ledent, T. T. H. Do, M. Buyse, R. Denis, S. Luquet, B. Fève e M. Moldes. "Rôle du récepteur des glucocorticoïdes adipocytaire dans la lipodystrophie induite par la corticostérone". Annales d'Endocrinologie 78, n.º 4 (setembro de 2017): 239. http://dx.doi.org/10.1016/j.ando.2017.07.256.
Texto completo da fonteMoreau, J., L. Meillet, F. Schillo, F. Aubin e S. Borot. "CA-134: Diabète de type 1 induit par le traitement du mélanome". Diabetes & Metabolism 42 (março de 2016): A71—A72. http://dx.doi.org/10.1016/s1262-3636(16)30266-x.
Texto completo da fonteLurquin, F., S. M. Constantinescu, J. F. Baurain, R. Furnica e D. Maiter. "Caractéristiques du diabète sucré induit par les inhibiteurs de points de contrôle immunitaires". Annales d'Endocrinologie 82, n.º 5 (outubro de 2021): 334. http://dx.doi.org/10.1016/j.ando.2021.08.218.
Texto completo da fonteCASSAR-MALEK, I., A. LISTRAT e B. PICARD. "Contrôle hormonal des caractéristiques des fibres musculaires après la naissance". INRAE Productions Animales 11, n.º 5 (6 de dezembro de 1998): 365–77. http://dx.doi.org/10.20870/productions-animales.1998.11.5.3965.
Texto completo da fonteTeses / dissertações sobre o assunto "Diabète induit par les glucocorticoïdes"
Tijani, Omolara Khadijat. "Glucocorticoids and Intracrine Cortisol Metabolism in human Islets : Impact on Glucose Stimulated Insulin secretion". Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS061.
Texto completo da fonteExcessive glucocorticoid (GC) exposure, as seen in patients receiving GC therapy, can lead to β-cell dysfunction and diabetes in up to 40% of the cases. In obesity, increased local cortisol exposure due to altered metabolism contributes to diabetes onset. High doses of GCs like dexamethasone (DEX) are known to inhibit glucose-stimulated insulin secretion (GSIS), but the effects of lower doses and other GCs, such as hydrocortisone (HC) and prednisone (PRED), remain underexplored. The enzyme 5α-reductase type 1 (SRD5A1) is a crucial enzyme for GC degradation, modulating their bioavailability. Inhibition or knockout of SRD5A1 is associated with impaired insulin sensitivity and increased diabetes risk. This first part of my thesis investigates the impact of “low therapeutic” doses of PRED (equivalent to 5 to 10 mg administrated orally) and other GCs on glucose stimulated insulin secretion (GSIS). We showed that PRED significantly decreases GSIS, with DEX having a worse effect compared to PRED and HC. BMI, age, or sex do not significantly influence the direct impact of PRED on insulin secretion. The second part of the work aimed to characterize GC metabolism in human islets. SRD5A1 is the only A-ring reductase expressed in islets, and its expression, along with HSD11B1, is localized within the β-cells of human islets. We demonstrated evidence of intracrine metabolism of cortisol in intact primary human islets cultured under dynamic experimental settings. Expression data reveals significantly diminished expression of both HSD11B1 and SRD5A1 in T2D donors compared to normoglycemic donors. The last part aimed to provide proof of concept that decreased cortisol bioavailability via the overexpression of SRD5A1 in human islets mitigates the inhibitory effect of GCs on GSIS. SR5DA1 overexpression attenuated the impact of HC on the first phase of insulin secretion, but not the PRED impact. To conclude, even at low doses, GCs impair GSIS. The decrease in SRD5A1 expression in islets may contribute to the development of diabetes in metabolic context. SRD5A1 overexpression protects against the deleterious impact of cortisol on GSIS, providing additional evidence to support the enzyme's role in local cortisol overexposure and the development of diabetes. However, increasing SRD5A1 activity may not be an effective approach to protect against metabolic complications induced by GC therapy. Other aspects of β-cell function, especially cell viability, need to be studied. Moreover, the potential benefits of SRD5A1 in modulating insulin resistance and fatty liver disease should be investigated. These further studies will provide more insight into the potential of SRD5A1 as a therapeutic target
Cogan, Elie. "Mécanismes cellulaires rénaux du diabète insipide induit par le lithium". Doctoral thesis, Universite Libre de Bruxelles, 1988. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213391.
Texto completo da fonteWiniszewski, Anne-Marie. "Diabète insipide néphrogénique induit par le lithium : à propos de deux observations". Université Louis Pasteur (Strasbourg) (1971-2008), 1990. http://www.theses.fr/1990STR1M021.
Texto completo da fonteDo, Thi Thu Huong. "Perturbations du métabolisme glucidique et azoté dans des modèles d'obésité induite par le régime hyperlipidique ou par les glucocorticoïdes". Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066065.
Texto completo da fonteObesity becomes a worldwide epidemic due to over-nutrition, but also to drug treatments, particularly glucocorticoids (GCs). The aim of this work was to identify the mechanisms involved in obesity induced by high-fat diet or by GCs. High-fat diet-induced obesity model was used to characterize intestinal disturbances: an elevated amino acids absorption capacity, a delayed transit time and an increased intestinal permeability and an altered gut microbiota, which can further modulate nitrogen and energy balance. Meanwhile, GC-induced obesity model revealed differential effects of GCs on fat depots. Adipogenesis and an early increased macrophage infiltration were restricted to visceral adipose tissue with a differential macrophage polarization between visceral and subcutaneous fat pads. Visceral macrophage infiltration was responsible for GC-induced insulin resistance. Moreover, GC exposure resulted in opposite phenotypes of glucose metabolism in two distinct genetic murine backgrounds that could be explained by a strain-dependent pancreatic adaptation. Taken together, our work highlights adaptive mechanisms of peripheral organs during obesity
Riveline, Jean-Pierre. "Mécanismes moléculaires de la programmation fœtale de la masse et de la fonction des cellules β pancréatiques par les glucocorticoïdes : implication de PGC-1α et de la sérotonine". Paris 6, 2013. http://www.theses.fr/2013PA066241.
Texto completo da fonteThe etiology of type 2 diabetes is complex. This disease may be programmed during fetal life through an impairment of β cells. We previously identified glucocorticoids (GCs) as actors of this fetal programming since we showed that these hormones inhibit β-cell development. Our work has focused on two aspects of GCs signaling: 1) the role of a GCs receptor (GR) transcriptional co-regulator, PGC-1α and 2) the consequences of the GR invalidation in pancreatic precursor cells. We first showed that the GR co-regulator, PGC-1α was stimulated by GCs in the β cells, that its overexpression represses crucia genes for β-cell development and function, including Pdx1, a transcription factor of insulin through binding of a GR/PGC-1α complex to the Pdx1 promoter. Mice overexpressing PGC-1α in β cells exhibited at adult age impaired glucose tolerance associated with reduced insulin secretion and decreased β-cell mass. PGC-1α expression in fetal life only was sufficient to impair adult β-cell function. Then, we explored mice with conditional invalidation of GR in pancreatic precursors (GRPdxCre) that present a phenotype characterized by a doubled β-cell mass and β-cell dysfunction. Transcriptome analysis of the islets of these mice showed overexpression of genes encoding TPH1 and 2 (tryptophan hydroxylase), enzymes involved in serotonin synthesis, whose content was increased in the islets of mice GRPdxCre. In contrast, activation of the GCs pathway in β cells in vitro decreased TPH1 and 2 expression and serotonin synthesis. In conclusion, our findings suggest that PGC-1α and serotonin contribute to the deleterious effects of GCs on the β cells, especially during fetal programming
Ebou, Moina. "Régulation du système sérotonine dans la cellule bêta pancréatique par les glucocorticoïdes : implication dans la physiopathologie du diabète". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066637.
Texto completo da fonteType 2 diabetes is now a real global public health problem. It results from a defect of mass and / or function of pancreatic beta cells. The identification and understanding of the mechanisms underlying these defects would help develop strategies to restore the functional beta cell mass. Glucocorticoid hormones (GC), hormones of stress and metabolic adaptation, can inhibit insulin secretion but their mode of action is not yet fully understood. Recently, the neurotransmitter serotonin present in the beta cells has been described as involved in the increase in beta-cell mass during gestation and a modulation of the insulin secretion in mice. In this context, we wanted to determine whether GC could modulate the serotonin system of beta cells. We focused on the enzymes required for serotonin synthesis Tph1 and 2. We could show that the expression of Tph1 and Tph2 1 and Tph2 enzyme was inhibited by GC causing a decrease in serotonin synthesis. We then confirmed the expression of Tph1 and 2 was stimulated by prolactin but also showed for the first time that these enzymes were stimulated by exenatide-4, a GLP-1. In these two stimulating situations, we found that GC exerts a counter-regulatory effect. Finally, we studied the role of serotonin on beta cell function. We were able to show that serotonin can inhibit the secretion of insulin by altering the calcium flux in the pancreatic beta cell. In conclusion, our results show that, within the beta cell, the serotonin system is one of GC target, suggesting that serotonin reduction can be a relay of the effects of GC on beta cells
Lavazais, Emmanuelle. "Utilisation des cellules souches médullaires dans une thérapie cellulaire du diabète : Absence de transdifférenciation en cellules productrices d'insuline dans un modèle murin de diabète induit par la streptozotocine". Nantes, 2005. http://www.theses.fr/2005NANT2026.
Texto completo da fonteDouillet, Christelle. "Supplémentations en vitamine E et sélénium chez le rat diabétique induit par la streptozotocine : effets sur la biochimie des lipides tissulaires de la fonction plaquettaire et les lésions rénales". Lyon 1, 1997. http://www.theses.fr/1997LYO1T209.
Texto completo da fonteRoussel, Morgane. "Modulation du trafficking et de la signalisation du récepteur GLP-1 dans la cellule β pancréatique par un traitement chronique aux glucocorticoïdes". Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTT041/document.
Texto completo da fontePancreatic beta cells synthesize and secrete insulin, the only hypoglycemic hormone in the body. These cells play a central role in the onset of diabetes. To protect the functional beta-cell mass is essential. The GLP-1 receptor, which belongs to the class B of the G protein-coupled receptor (GPCR) family, is a major therapeutic target in type 2 diabetes. Through its receptor, GLP-1 potentiates glucose-induced insulin secretion and improves the survival of pancreatic beta cells. Glucocorticoids are stress hormones implied in energetic metabolism and are widely used in therapeutics for their anti-inflammatory, immunosupressive and anti-allergic properties. Neverless, on chronic administration, glucocorticoids can induce metabolic syndrome especially due beta cell functional mass impairement. Here, we characterized the impact of a prolonged exposure of pancreatic beta cells to a synthetic glucocorticoid (dexamethasone) on biological actions of glucose and GLP-1.We show that a chronic exposure of beta cells to dexamethasone exerted deleterious effects on glucose-induced insulin secretion and ERK1/2 (Extracelllular Regulated Kinases 1/2) activation. In contrast, we observed that the glucocorticoid treatment increased GLP-1 receptor expression at the plasma membrane and improved the Galpha s protein coupling leading to an enhancement of cAMP production (2 fold increase). Despite the negative impact on glucose effects, glucocorticoids did not impair neither GLP-1-induced insulin secretion nor ERK1/2 activation. This study reveals that a glucocorticoid chronic exposure 1) regulates GLP-1 receptor trafficking and increases its expression to the plasma membrane, 2) causes supersensitization of Gαs-associated signaling, and 3) could impact on therapeutic effects of GLP-1 receptor-based drugs
Cattan, Valérie. "Etude de la longueur des télomères, des effets artériels du sel et de l'aldostérone dans le vieillissement accéléré induit par le stress oxydant, le diabète et l'hypertension". Nancy 1, 2007. http://www.theses.fr/2007NAN11314.
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