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Department of Biological and Medical Sciences, Oxford Brookes University, Oxford, UK
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NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, UK
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Department of Biological and Medical Sciences, Oxford Brookes University, Oxford, UK
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Introduction Glucocorticoids (GCs) are steroid hormones that are released in response to stress and play a crucial role in inflammation and in carbohydrate, lipid and protein metabolism. Within key metabolic target tissues, notably the liver
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& Armstrong 1995 ). Among liver disease, cirrhosis, pylemphraxis, and biliary atresia, there is an increase in the serum estrogen levels in males; however, the origin of serum estrogens is unknown. In recent years, Ueyama et al . (2002 , 2004 ) reported the
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Division of Metabolism, Division of Endocrinology, Kennedy Krieger Institute, Departments of Pediatrics, Physiology and Medicine, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, Maryland 21287, USA
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diabetic patients treated with metformin exhibit a reduction in cancer incidence ( Evans et al . 2005 , Libby et al . 2009 , Landman et al . 2010 ). The main effect of metformin is to suppress glucose production in the liver ( Hundal et al . 2002
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indicates that GH concentration patterns regulate epidermal growth factor receptor (EGFR) expression in rodent liver. The EGFR, also known as ERBB1, is a plasma membrane glycoprotein which belongs to the ERBB family of receptor tyrosine kinases ( Burgess
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The Rolf Luft Research Center for Diabetes and Endocrinology, Department of Endocrinology, Center for Pediatric and Adolescent Medicine, Karolinska Institutet, Stockholm, Sweden
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The Rolf Luft Research Center for Diabetes and Endocrinology, Department of Endocrinology, Center for Pediatric and Adolescent Medicine, Karolinska Institutet, Stockholm, Sweden
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enhancing or damping IGF activity. IGFBP1 is expressed in the liver, kidney and decidua ( Rajaram et al . 1997 ). The liver is the major source for the circulating IGFBP1 and its synthesis is centrally regulated by insulin that represses IGFBP1 at the
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Department of Physiology, Department of Medicine, Toronto General Research Institute, Banting and Best Diabetes Centre, Institute of Medical Science, School of Pharmacy, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
Department of Physiology, Department of Medicine, Toronto General Research Institute, Banting and Best Diabetes Centre, Institute of Medical Science, School of Pharmacy, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
Department of Physiology, Department of Medicine, Toronto General Research Institute, Banting and Best Diabetes Centre, Institute of Medical Science, School of Pharmacy, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
Department of Physiology, Department of Medicine, Toronto General Research Institute, Banting and Best Diabetes Centre, Institute of Medical Science, School of Pharmacy, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
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Department of Physiology, Department of Medicine, Toronto General Research Institute, Banting and Best Diabetes Centre, Institute of Medical Science, School of Pharmacy, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
Department of Physiology, Department of Medicine, Toronto General Research Institute, Banting and Best Diabetes Centre, Institute of Medical Science, School of Pharmacy, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
Department of Physiology, Department of Medicine, Toronto General Research Institute, Banting and Best Diabetes Centre, Institute of Medical Science, School of Pharmacy, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
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characterized by oxidative stress at the tissue level. In the liver, it has been reported that the levels of malondialdehyde (MDA), a marker of lipid peroxidation, and protein carbonyl content are elevated ( Carmiel-Haggai et al . 2005 , Satapati et al . 2012
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). Given the importance of clock machinery, almost all the central and peripheral organs/tissues, such as the liver, possess an intact and functional clock system. It has been demonstrated that the key genes involved in hepatic principal functions
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Department of Physiology, University of Toronto, Department of Medicine, Mount Sinai Hospital, Toronto General Research Institute and Banting and Best Diabetes Centre, University Health Network, Muscle Health Research Center and Physical Activity and Chronic Disease Unit, Faculty of Health, School of Kinesiology and Health Science, York University, Department of Internal Medicine, University of Manitoba, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
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Department of Physiology, University of Toronto, Department of Medicine, Mount Sinai Hospital, Toronto General Research Institute and Banting and Best Diabetes Centre, University Health Network, Muscle Health Research Center and Physical Activity and Chronic Disease Unit, Faculty of Health, School of Kinesiology and Health Science, York University, Department of Internal Medicine, University of Manitoba, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
Department of Physiology, University of Toronto, Department of Medicine, Mount Sinai Hospital, Toronto General Research Institute and Banting and Best Diabetes Centre, University Health Network, Muscle Health Research Center and Physical Activity and Chronic Disease Unit, Faculty of Health, School of Kinesiology and Health Science, York University, Department of Internal Medicine, University of Manitoba, Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
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animals. At the end of the clamp, rats were anesthetized, the liver was freeze-clamped with pre-cooled aluminum tongs, and the soleus muscle was collected. Tissues were stored at −80 °C. The tissue determinations have a lower n than the glucose kinetics
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. 2000 ). The liver is the major site for cholesterol and triglyceride metabolism, and thyroid hormones play an important role in hepatic lipid homoeostasis ( Malik & Hodgson 2002 ). Cholesterol is an essential constituent of most biological membranes and
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. Specifically, the hypoinsulinemia of early lactation causes loss of the liver GH receptor and reduced hepatic IGF1 production ( Rhoads et al . 2004 , Wook Kim et al . 2004 ). As a consequence of the reduced IGF1 feedback, plasma GH increases, promoting