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Glucose Metabolism Abnormalities in Cushing Syndrome: From Molecular Basis to Clinical Management

Scaroni, Carla
Zilio, Marialuisa
Boscaro, Marco
Published in Endocrine Reviews. 2017, vol. 38, no. 3, p. 189-219
Abstract An impaired glucose metabolism, which often leads to the onset of diabetes mellitus (DM), is a common complication of chronic exposure to exogenous and endogenous glucocorticoid (GC) excess and plays an important part in contributing to morbidity and mortality in patients with Cushing syndrome (CS). This article reviews the pathogenesis, epidemiology, diagnosis, and management of changes in glucose metabolism associated with hypercortisolism, addressing both the pathophysiological aspects and the clinical and therapeutic implications. Chronic hypercortisolism may have pleiotropic effects on all major peripheral tissues governing glucose homeostasis. Adding further complexity, both genomic and nongenomic mechanisms are directly induced by GCs in a context-specific and cell-/organ-dependent manner. In this paper, the discussion focuses on established and potential pathologic molecular mechanisms that are induced by chronically excessive circulating levels of GCs and affect glucose homeostasis in various tissues. The management of patients with CS and DM includes treating their hyperglycemia and correcting their GC excess. The effects on glycemic control of various medical therapies for CS are reviewed in this paper. The association between DM and subclinical CS and the role of screening for CS in diabetic patients are also discussed.
PMID: 28368467
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Research group Obésité et syndrome métabolique (803)
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SCARONI, Carla et al. Glucose Metabolism Abnormalities in Cushing Syndrome: From Molecular Basis to Clinical Management. In: Endocrine Reviews, 2017, vol. 38, n° 3, p. 189-219. doi: 10.1210/er.2016-1105 https://archive-ouverte.unige.ch/unige:100428

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Deposited on : 2017-12-15

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