Light scattering response upon addition of 1 μM cAMP. (a) Wild type cells displayed two peaks of light scattering which subsequently returned to the baseline. (b) In regA- cells there was a strong decrease in light scattering after the second peak. One out of 7 independent experiments is shown.
Lusche et al. BMC Cell Biology 2005 6:12 doi:10.1186/1471-2121-6-12