arrestin Archives

Researchers develop curious snapshot of powerful retinal pigment and its partners

BETHESDA, Md., Feb. 28, 2011 — Science fiction novelist and scholar Issac Asimov once said, “The most exciting phrase to hear in science, the one that heralds new discoveries, is not ‘Eureka!’ but ‘That’s funny.’ ” This recently rang true for…

Another job discovered for a master metabolic off-switch

ScienceBlog.com

Researchers have discovered that an important cellular “off-switch” that desensitizes receptors on the cell surface also regulates a second deactivation mechanism that had not been suspected before. Their finding that the off-switch, known as beta-arrestin, operates in two distinct ways may hint at a broader set of regulatory roles for the molecule.