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to form a characteristic feature known as a crown-like structure (CLS) ( 8 ). M1 macrophages in adipose tissue are considered instigators of insulin resistance due to the secretion of multiple pro-inflammatory cytokines, including TNFα ( 9 ). Chronic
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considered potential causes ( 6 ). However, increasing evidence ( 7 ) shows that insulin resistance and compensatory hyperinsulinemia play an important role in the pathogenesis of PCOS. The progression of insulin resistance as well as the regulation of
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(TG) level, increased insulin resistance (IR) and a higher fasting plasma glucose ( 5 ). Patients with T2DM may exhibit evidence of subclinical hypercortisolism such as higher 24-h urine-free cortisol levels, higher plasma cortisol levels after
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Background Insulin resistance (IR) is the insensitivity to insulin in insulin-dependent organs and tissues ( 1 ). The clinical manifestation of IR is the failure to respond to increase in blood sugar, which is associated with metabolic
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Background Insulin resistance (IR) is a systemic disorder of glucose metabolism that results in changes in multiple organs and insulin regulatory pathways ( 1 , 2 , 3 ). The clinical significance of IR has become clear over the past few
Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark
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Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
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Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark
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Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark
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muscle is inversely correlated to age of diabetes debut ( 14 ). It is debated whether the impaired glucose metabolism in m.3243A>G carriers is characterized by insulin resistance, insulin secretion defect or a combination. The nuclear gene encoded
Division of Endocrinology and Metabolism, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
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mortality, mainly because of cardio-metabolic complications ( 1 , 2 , 3 ). Impaired glucose metabolism is frequently observed in acromegaly. It is mainly caused by the insulin-antagonizing effects of GH-inducing hepatic and peripheral insulin resistance
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Division of Cellular and Molecular Biology, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
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Department of Medicine, University of Toronto, Toronto, Ontario, Canada
Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
Banting and Best Diabetes Centre, University of Toronto, Toronto, Ontario, Canada
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Introduction Obesity is characterized by elevated circulating free fatty acids (FFAs) that cause insulin resistance in the liver and periphery ( 1 , 2 ). FFAs induce endoplasmic reticulum (ER) stress, which occurs when misfolded or unfolded
Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
Australian Institute for Musculoskeletal Science, Victoria University, Melbourne, Victoria, Australia
Medicine-Western Health, Faculty of Medicine, Dentistry and Health Science, Melbourne University, Melbourne, Victoria, Australia
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Australian Institute for Musculoskeletal Science, Victoria University, Melbourne, Victoria, Australia
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Division of Diabetes, Endocrinology & Gastroenterology, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
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Diabetes and Endocrine Units, Monash Health, Clayton, Victoria, Australia
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anovulatory infertility) ( 5 , 6 ) and psychological (anxiety and depression) ( 7 ) impacts, representing a substantial health burden. Despite its high prevalence, the aetiology and ideal therapies for PCOS remain unclear ( 8 ). Insulin resistance is a
Medical Research Laboratories, Department of Endocrinology and Diabetes, Department of Pediatrics, Department of Endocrinology and Diabetes, Institute of Clinical Medicine, Aarhus University, Norrebrogade 44, DK-8000 Aarhus C, Denmark
Medical Research Laboratories, Department of Endocrinology and Diabetes, Department of Pediatrics, Department of Endocrinology and Diabetes, Institute of Clinical Medicine, Aarhus University, Norrebrogade 44, DK-8000 Aarhus C, Denmark
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Medical Research Laboratories, Department of Endocrinology and Diabetes, Department of Pediatrics, Department of Endocrinology and Diabetes, Institute of Clinical Medicine, Aarhus University, Norrebrogade 44, DK-8000 Aarhus C, Denmark
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Medical Research Laboratories, Department of Endocrinology and Diabetes, Department of Pediatrics, Department of Endocrinology and Diabetes, Institute of Clinical Medicine, Aarhus University, Norrebrogade 44, DK-8000 Aarhus C, Denmark
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Medical Research Laboratories, Department of Endocrinology and Diabetes, Department of Pediatrics, Department of Endocrinology and Diabetes, Institute of Clinical Medicine, Aarhus University, Norrebrogade 44, DK-8000 Aarhus C, Denmark
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GHS-R is also located in peripheral tissues indicates that ghrelin also exerts direct peripheral effects (5, 6) . It has recently been reported that exogenous ghrelin causes insulin resistance (7, 8, 9, 10, 11) and induces lipolysis (7, 9, 10, 11