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Effects of age and RL on protein content or phosphorylation [optical density, arbitrary units (AU)] of the selected target proteins including: signal transducer and activator of transcription (STAT3) (A); phospho-STAT3 (B); NF-κB (C); and 70-kDa heat shock protein (HSP70) (D). E: representative immunoblots. Immunoblotting was performed with samples from 16 young and 16 older adults. *Different from young at baseline, P < 0.05; †age × RL interaction, P < 0.05.
