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Figure 5: Mouse diaphragm phospho-Akt (S473), phospho-p70S6K (T389), phospho-S6RP (S235/236), and phospho-GSK-3β protein contents following 8 hours of exposure to normoxia (control), hypoxia, or hypoxia + NAC. (a) Diaphragm phospho-Akt (S473) protein content (mean ± SEM) expressed as signal/μg of total protein (corrected for background signal); per group. , , and ; unpaired t tests. (b) Diaphragm phospho-p70S6K (T389) protein content (mean ± SEM) expressed as signal/μg of total protein (corrected for background signal); per group. ; unpaired t test. (c) Diaphragm phospho-S6RP (S235/236) protein content (mean ± SEM) expressed as signal/μg of total protein (corrected for background signal); per group. and ; unpaired t tests. (d) Diaphragm phospho-GSK-3β protein content (mean ± SEM) expressed as signal/μg of total protein (corrected for background signal); per group. and ; unpaired t tests.