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... blood lipid profile, such as cholesterol * High leptin, a hormone found in fat and other tissues and is involved in appetite ...

Article - News Staff - Apr 6 2008 - 3:16pm - 0 attachments

... biologists, and they start the clock in 1994, when leptin was discovered. They’re not aware that they’re not making progress, ...

Article - Seth Roberts - Feb 26 2008 - 6:00pm - 0 attachments

... One of the strongest signals of selection came from the leptin receptor, a gene involved in the regulation of appetite and energy balance. One version of this gene, the leptin receptor, is increasingly common in locales with colder winters. This ...

Article - News Staff - Feb 15 2008 - 12:30am - 0 attachments

... brains less responsive to the hunger-suppressing hormone leptin. “The neurodevelopmental differences in these animals can be seen ... suggested that the brains of DIO rats are insensitive to leptin, the researchers added. Circulating leptin, produced by fat tissue, acts ...

Article - News Staff - Feb 5 2008 - 10:30pm - 0 attachments

... St. Louis, has revealed that intranasal delivery of leptin, a hormone important in feeding and energy metabolism, delayed the onset ... in an accompanying commentary, these data suggest that leptin-triggered signaling may be a key to how a ketogenic diet combats ...

Article - News Staff - Dec 20 2007 - 7:03pm - 0 attachments

... student in London’s lab, and colleagues report that leptin reduces activation in regions of the brain linked to hunger while ... imaging (fMRI) to measure brain activity before and after leptin supplementation in three adults from a Turkish family who lacked the ...

Article - News Staff - Oct 29 2007 - 5:09pm - 0 attachments

... that controls sensitivity to insulin, and a lack of leptin, a hormone that curbs appetite - a dichotomy that helps explain why not ... to produce an overabundance of adiponectin while lacking leptin. Without leptin’s signals to stop eating or burn energy, the mice ...

Article - News Staff - Aug 23 2007 - 9:51pm - 0 attachments

Scientists have discovered that leptin, one of the key hormones responsible for reducing hunger and increasing ... of the brain “light up” when individuals deficient in leptin are shown images of food. Hunger influences what and how much we ... how much you desire and enjoy food. They postulated that leptin, one of the major hormones controlling weight, might be the key. The ...

Article - News Staff - Aug 10 2007 - 1:45am - 0 attachments

... Karsenty and his colleagues had previously shown that leptin, a hormone released by fat cells, acts upon and ultimately controls bone ...

Article - News Staff - Aug 9 2007 - 1:41pm - 1 attachment

... normal mice did. Blood levels of another fat hormone, leptin, are regulated inversely in relation to serum adiponectin levels, the researchers noted. “Thus, central adiponectin/leptin signals may represent the physiological pathway by which hypothalamic ...

Article - News Staff - Jul 14 2007 - 10:54pm - 0 attachments