... , Rexford Ahima, at the University of Pennsylvania School of Medicine, Philadelphia, suggest that leptin therapy after weight loss might improve weight maintenance by overriding this fat-loss defense. ...
... insulin is the only substance that can correct the consequences of insulin deficiency."
The mechanism of leptin's glucose-lowering action appears to involve the suppression of glucagon, a hormone ...
... . But new Ohio University research suggests that obesity raises levels of the hormone leptin, which can be as big a threat to the cardiovascular system as cholesterol. Tadeusz Malinski and colleagues ...
... Steven Marx, M.D., associate professor of medicine and pharmacology. The study found that leptin, at the elevated concentrations frequently found in patients with diabetes, stimulates the growth of ...
... shot up.
The researchers then dosed mice with a sympathetic stimulator. Rodents lacking leptin or the adrenaline receptor on their osteoblasts turned out normal amounts of osteocalcin, but much of ...
... award, known as the Nobel Prize of the East, with the Jackson Laboratory's Douglas L. Coleman for their work leading to the discovery of leptin, a hormone that regulates food intake and body weight.
... is turned off, mice eat less, lose weight, and their bones weaken. Furthermore, leptin was found to not act in the hypothalamus as previously thought, but in the brain stem acting on serotonin, a ...
New research from Columbia University Medical Center has illuminated a previously unknown leptin-serotonin pathway in the brain that simultaneously promotes appetite and bone mass accrual. The ...
... the American Association for Cancer Research Frontiers in Basic Cancer Research Meeting. "Leptin receptor expression may be a useful molecular marker in predicting the level of aggression of Middle ...
... reason for doing this type of work,” he said. “The study raises many questions. If we can improve leptin sensitivity and enhance the ability of the signal to get through, maybe it will lead to weight ...
... . However, as obese people become fatter, their leptin levels rise, but they become resistant to the actions of ...
As expected, obese women had much higher leptin levels than in lean women, study data ...
... in two distinct mouse models of obesity and Type 2 diabetes: high-fat-diet-fed male mice and leptin-deficient obese female mice, with lean wild-type mice that were fed low-fat diets used as controls. ...
... , who also tended to be fatter.
In addition, female offspring showed higher levels of leptin, a hormone related to appetite. It is already known that female appetite is more sensitive to leptin and ...
...
The female offspring were particularly badly affected, expressing high levels of glucose and the appetite-promoting hormone leptin making them very prone to obesity.
"It seems that a mother's diet ...
... diet they became obese. However, they exhibited less severe insulin resistance, leptin resistance, and dyslipidemia than the normal mice. They also exhibited less severe high fat diet–induced fatty ...