Meeting Report: Zinc Signals 2007—Expanding Roles of the Free Zinc Ion in BiologyA Report on the 8th Annual Institute of Zinc In Biology: Zinc Signals Meeting, Cook’s Branch Ranch, Woodlands, Texas, June 1 to 4, 2007.

One hundred years after Camille Delezenne was nominated for the Nobel Prize for his work on zinc-secreting salivary and pancreatic cells, the Institute of Zinc in Biology sponsored its eighth annual Zinc Signals conference. Convened in a pristine nature conservancy, the meeting was focused on cells that secrete zinc signals, such as neurons, prostatic cells, pancreatic cells, photoreceptors, and others and on the myriad extracellular receptors that respond to these zinc signals.