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Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden
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The Long Beach VA Medical Center, Long Beach, California, USA
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-terminal type I collagen fragments were assessed using an ELISA RatLaps kit (CTX-I, Immunodiagnostic Systems) according to the manufacturer’s instructions. Serum levels of osteocalcin (OCN), a marker of bone formation, were determined with a mouse osteocalcin
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, which mediates most of the effects of GH on skeletal metabolism, promotes chondrogenesis and increases bone formation by regulating the functions of the differentiated osteoblasts ( Giustina et al . 2008 ). Figure 1 GH and IGF1 signaling and action in
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National Institute of Nutrition and Seafood Research, Department of Animal Physiology, School of Biological Sciences, PO Box 2029 Nordnes, N-5817 Bergen, Norway
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key target for RA and CTR. In fish, CTR exerts effects directly on both osteoblasts and osteoclasts ( Wendelaar Bonga et al . 1983 ). Chronic CTR exposure increases bone formation, but may also impair mineralisation, at least in rats ( Wronski et al
Health and Kinesiology, Intercollegiate Faculty of Nutrition, Mechanical Engineering, INSERM U890, IFR 143, Université Jean-Monnet, Department of Applied Physiology and Kinesiology and the Center for Exercise Science, Departments of
Health and Kinesiology, Intercollegiate Faculty of Nutrition, Mechanical Engineering, INSERM U890, IFR 143, Université Jean-Monnet, Department of Applied Physiology and Kinesiology and the Center for Exercise Science, Departments of
Health and Kinesiology, Intercollegiate Faculty of Nutrition, Mechanical Engineering, INSERM U890, IFR 143, Université Jean-Monnet, Department of Applied Physiology and Kinesiology and the Center for Exercise Science, Departments of
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Health and Kinesiology, Intercollegiate Faculty of Nutrition, Mechanical Engineering, INSERM U890, IFR 143, Université Jean-Monnet, Department of Applied Physiology and Kinesiology and the Center for Exercise Science, Departments of
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Health and Kinesiology, Intercollegiate Faculty of Nutrition, Mechanical Engineering, INSERM U890, IFR 143, Université Jean-Monnet, Department of Applied Physiology and Kinesiology and the Center for Exercise Science, Departments of
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system. In fact, insulin stimulates osteoblastic activity ( Canalis et al . 1977 , Raisz & Kream 1983 ), resulting in enhanced bone formation. Consistent with this effect, BMDs in ZDF rats of the present study were greater in the distal femora ( Fig. 2
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sexual dimorphism in bone growth becomes apparent during puberty, at which time men reach higher peak bone mass ( Clarke & Khosla 2010 ). This skeletal sexual dimorphism is mainly due to a stimulatory androgen action on periosteal bone formation in men
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support its role in clinical practice is still weak. Effects of RANKL–RANK on osteoblast RANKL is important not only for bone resorption but also for bone formation. Ikebuchi et al. proposed the concept of RANKL reverse signaling ( Ikebuchi et
Endocrine Unit, Scientific Institute San Raffaele, Via Olgettina, 60, 20132 Milano, Italy
Department of Pharmacology, Chemotherapy and Medical Toxicology, University of Milan, Milan, Italy
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Endocrine Unit, Scientific Institute San Raffaele, Via Olgettina, 60, 20132 Milano, Italy
Department of Pharmacology, Chemotherapy and Medical Toxicology, University of Milan, Milan, Italy
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Endocrine Unit, Scientific Institute San Raffaele, Via Olgettina, 60, 20132 Milano, Italy
Department of Pharmacology, Chemotherapy and Medical Toxicology, University of Milan, Milan, Italy
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Endocrine Unit, Scientific Institute San Raffaele, Via Olgettina, 60, 20132 Milano, Italy
Department of Pharmacology, Chemotherapy and Medical Toxicology, University of Milan, Milan, Italy
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Endocrine Unit, Scientific Institute San Raffaele, Via Olgettina, 60, 20132 Milano, Italy
Department of Pharmacology, Chemotherapy and Medical Toxicology, University of Milan, Milan, Italy
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Endocrine Unit, Scientific Institute San Raffaele, Via Olgettina, 60, 20132 Milano, Italy
Department of Pharmacology, Chemotherapy and Medical Toxicology, University of Milan, Milan, Italy
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patients, who have chronic systemic GH and IGF-I excess, are characterized by increased bone turnover and biochemical markers of bone formation and bone resorption that correlate with circulating GH and IGF-I levels, suggesting the activation of both
Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
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Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
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Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
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Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
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Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
Department of Endocrinology and Diabetes, Murdoch Childrens Research Institute, Department of Paediatrics, Prostate and Breast Cancer Research Group, Department of Medicine and Bone and Mineral Service, Royal Children's Hospital, Parkville, Melbourne, Victoria 3052, Australia
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separated and stored at −70 °C until analysis. The animals were culled by injecting pentobarbital (0.5 ml of 340 mg/ml; Virbac Animal Health, NSW, Australia). Figure 1 Results from bone turnover markers. (a) No significant difference in bone formation, as
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et al . 2006 ). This effect, associated with modest mitogenic properties, causes an increase in the number of osteoblasts, and an increase in osteoblastic function and bone formation ( Canalis 1980 ). The effect of IGF1 on bone resorption is less
Department of Biology, Faculty of Science, Toho University, Chiba, Japan
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influenced by ambient light conditions, is better suited to evaluate the in vivo effect of exogenous melatonin administration on bone formation. The use of chick calvariae as a model of bone demonstrated the expression of the melatonin receptors and