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A mathematical model of leptin resistance [PDF]
Mathematical Biosciences, 2015 International audienceObesity is often associated with leptin resistance, which leads to a physiological system with high leptin concentration but unable to respond to leptin signals and to regulate food intake.
Fabien Crauste, Marine Jacquier
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Leptin signaling and leptin resistance [PDF]
Frontiers of Medicine, 2013 Leptin is secreted into the bloodstream by adipocytes and is required for the maintenance of energy homeostasis and body weight. Leptin deficiency or genetic defects in the components of the leptin signaling pathways cause obesity. Leptin controls energy balance and body weight mainly through leptin receptor b (LEPRb)-expressing neurons in the brain ...
Liangyou Rui, Yingjiang Zhou
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The role of leptin in leptin resistance and obesity
Physiology and Behavior, 2006 Although the presence of hyperleptinemia with leptin resistance and obesity has long been recognized, a causal role of elevated leptin in these biological states remains unclear. This article summarizes some recent work from our laboratory supporting the concept that leptin, in and of itself, promotes leptin resistance and such resistance compounds the
Philip J Scarpace
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Leptin in normal physiology and leptin resistance
Science Bulletin, 2016Since the discovery of leptin as an adipokine in 1994, much progress has been made in the research about leptin. Circulating leptin binds to leptin receptor, activates STAT3-dependent and STAT3-independent signaling pathways, and plays an effective role in energy homeostasis, neuroendocrine function and metabolism mainly through acting on the central ...
Shufen Li
exaly +2 more sources
Mechanisms of Leptin Action and Leptin Resistance
Annual Review of Physiology, 2008The adipose tissue–derived hormone leptin acts via its receptor (LRb) in the brain to regulate energy balance and neuroendocrine function. LRb signaling via STAT3 and a number of other pathways is required for the totality of leptin action. The failure of elevated leptin levels to suppress feeding and mediate weight loss in common forms of obesity ...
Martin G, Myers +2 more
openaire +2 more sources
2018
Leptin is an adipocyte-derived hormone, which contributes to the homeostatic regulation of energy balance and metabolism through humoral and neural pathways. Leptin acts on the neurons in certain brain areas such as the hypothalamus, hippocampus, and brain stem to regulate food intake, thermogenesis, energy expenditure, and homeostasis of glucose/lipid
Jiarui, Liu +3 more
openaire +2 more sources
Leptin is an adipocyte-derived hormone, which contributes to the homeostatic regulation of energy balance and metabolism through humoral and neural pathways. Leptin acts on the neurons in certain brain areas such as the hypothalamus, hippocampus, and brain stem to regulate food intake, thermogenesis, energy expenditure, and homeostasis of glucose/lipid
Jiarui, Liu +3 more
openaire +2 more sources
Appetite, 2007
We consistently find that peripheral infusions of physiological doses of leptin inhibit lipogenesis in leptin-responsive animals. This study determined which aspect of leptin response was lost in fully and partially leptin-resistant animals. Male Wistar rats consumed a low-fat (LF, 10%) or high-fat (HF, 60%) diet for 3 months to generate diet induced ...
D.M. Penn, R.B.S Harris
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We consistently find that peripheral infusions of physiological doses of leptin inhibit lipogenesis in leptin-responsive animals. This study determined which aspect of leptin response was lost in fully and partially leptin-resistant animals. Male Wistar rats consumed a low-fat (LF, 10%) or high-fat (HF, 60%) diet for 3 months to generate diet induced ...
D.M. Penn, R.B.S Harris
openaire +1 more source
Roles of leptin and resistin in metabolism, reproduction, and leptin resistance
Domestic Animal Endocrinology, 2020Increased adipose mass can cause insulin resistance and type 2 diabetes mellitus. This phenomenon is related to adipocyte-secreted signaling molecules that affect glucose balance, such as fatty acids, adiponectin, leptin, interleukin-6, tumor necrosis factor-α, and resistin.
Dorota Zięba-Przybylska +2 more
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Leptin, Obesity, and Leptin Resistance
2014The cloning of leptin in 1994 was an important milestone in obesity research. In those days obesity was rather stigmatized as a condition caused by lack of character and self-control. With leptin and its receptor being the first single genes that could cause morbid obesity in man and mice, it is now appreciated that obesity is caused by a dysregulation
Heike Münzberg, Steven B. Heymsfield
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