Figure 1 :Effects of hypoxia on diaphragm muscles obtained from PTX-treated mice. After 15 min of the oxygenation period, hypoxia was instated by 95% N2 + 5% CO2 until neuromuscular blockade occurred (control, n = 6 and PTX, n = 12, *P < 0.01); P < 0.01, two-way ANOVA, post hoc Bonferroni