KCNJ2 and infection: Infection of chicken embryos with RCASBP(B)-Kir2.1 did not result in a significant change in cell size as revealed by measurements of cell capacitance in E8 motoneurons (cap RCASBP(B) = 21.4±2.5 pF, cap RCASBP(B)-Kir2.1 = 16.4±1.3 pF, Fig. 10A).