Figure 6.

In adult rat and mouse microglia, TGFβ1 had no effect on the Kir2.1 current. Treatments and recording conditions were as in Figure 5. (A) Scatterplot of individual cells showing the proportion of the peak current (at −140 mV) that was blocked by 100 μM Ba²⁺. (B) Peak Kir2.1 current density (pA/pF) as a function of voltage (mean ± SEM for the number of cells indicated). (C) Summary of peak inward current density (pA/pF) measured at −140 mV. There were no significant TGFβ1 effects at the p < 0.05 confidence level.