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Leptin levels in human and rodent: Measurement of plasma leptin and ob RNA in obese and weight-reduced subjects
TLDR
Weight loss due to food restriction was associated with a decrease in plasma leptin in samples from mice and obese humans, suggesting differences in its secretion rate from fat.
Circulating ghrelin levels are decreased in human obesity.
TLDR
Plasma ghrelin concentration was decreased in obese Caucasians as compared with lean Caucasians and was lower in Pima Indians, a population with a very high prevalence of obesity, compared with Caucasians.
Determinants of 24-hour energy expenditure in man. Methods and results using a respiratory chamber.
TLDR
Fat-free mass (FFM) as estimated by densitometry is the best available determinant of 24-h energy expenditures (24EE) and explains 81% of the variance observed between individuals and there is still considerable interperson variability of the daily energy expenditure.
The NALP3/NLRP3 Inflammasome Instigates Obesity-Induced Autoinflammation and Insulin Resistance
TLDR
It is established that calorie restriction and exercise-mediated weight loss in obese individuals with type 2 diabetes is associated with a reduction in adipose tissue expression of Nlrp3 as well as with decreased inflammation and improved insulin sensitivity, and that the NlrP3 inflammasome senses obesity-associated danger signals and contributes to obesity-induced inflammation and insulin resistance.
Neuroanatomical correlates of hunger and satiation in humans using positron emission tomography.
TLDR
It is raised the possibility that several regions of the brain participate in the regulation of hunger and satiation and that insulin and free fatty acids may be metabolic modulators of postprandial brain neuronal events.
Energy expenditure by doubly labeled water: validation in humans and proposed calculation.
To further validate the doubly labeled water method for measurement of CO2 production and energy expenditure in humans, we compared it with near-continuous respiratory gas exchange in nine healthy
Insulin resistance and insulin secretory dysfunction as precursors of non-insulin-dependent diabetes mellitus. Prospective studies of Pima Indians.
TLDR
Obesity, insulin resistance, and low acute plasma insulin response to intravenous glucose (with the degree of obesity and insulin resistance taken into account) were predictors of NIDDM.
Calorie Restriction Increases Muscle Mitochondrial Biogenesis in Healthy Humans
TLDR
The observed increase in muscle mitochondrial DNA in association with a decrease in whole body oxygen consumption and DNA damage suggests that caloric restriction improves mitochondrial function in young non-obese adults.
Effect of 6-month calorie restriction on biomarkers of longevity, metabolic adaptation, and oxidative stress in overweight individuals: a randomized controlled trial.
TLDR
The findings suggest that 2 biomarkers of longevity (fasting insulin level and body temperature) are decreased by prolonged calorie restriction in humans and support the theory that metabolic rate is reduced beyond the level expected from reduced metabolic body mass.
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