Table 1.

Functionality of Wild-Type and Mutant Cx26

Connexin	No. of CellsInjected	No. of NeighboringCells ObtainingCarboxyfluorescein
Wt Cx26	18	3.94 ± .32
Cx26 S17F	25	0.00 ± .00a

^aP<.000001.