A PROTEIN that makes fat mice thin regardless of how much they eat has been
discovered. But after the failure of leptin, a much-hyped natural appetite
suppressant, researchers are wary of claiming that another “miracle pill” for
obesity is on the horizon.
“I’m not going to speculate,” says Harvey Lodish, a cell biologist at the
Whitehead Institute for Biomedical research in Cambridge, Massachusetts, who led
the research.
Fat cells were once thought to be just storage sacks for fat. But they have
come to be thought of as regulators of energy storage as well. They may even
form the core…
