Table 1.

Late I_Na integral before (baseline) and during exposure to H₂O₂

AmsF−1 [N]	Baseline	12 min H2O2
WT [15]	−203.5±21	−380.1±101.1*
CaMKIIδ−/− [7]	−155.4±43.3	−204.1±93.1†
βGal [17]	−99.3±7.4	−331.8±77.2*
βGal+AIP [18]	−105.9±7.8	−200.5±32.3†
βGal+TTX [4]	−66.4±22.6*	−54.5±32.1†
CaMKIIδC [18]	−249.1±23.3*	−719.7±192.2‡†
CaMKIIδC+AIP [14]	−158.7±12.4‡	−277.0±37.4#
CaMKIIδC+TTX [8]	−101.9±29.4‡	−121.4±63.5#

Late I_Na integrals (50–500 ms; AmsF⁻¹) at baseline and after 12 min of H₂O₂ exposure. For some experiments, AIP (100 nmol/L) or TTX (1 µmol/L) were used.

^*P<0.05 vs. WT (baseline) or βGal (baseline);

^†P<0.05 vs. WT (12 min) or βGal (12 min);

^‡P<0.05 vs. CaMKIIδ_C (baseline);

^#P<0.05 vs. CaMKIIδ_C (12 min)