Skip to main content
. 2009 Feb;23(2):631–641. doi: 10.1096/fj.08-117200

Figure 1.

Figure 1.

Baseline protein metabolism before chronic administration of hormones or placebo. A) Phenylalanine Ra. B) Conversion of phenylalanine to tyrosine. C) Disposal of phenylalanine via protein synthesis. D) skeletal muscle protein fractional synthesis rate. Values are means ± se. Young men, n = 30; young women, n = 32; elderly men, n = 87, elderly women, n = 57. Main effect of sex: *P < 0.0001; ΔP < 0.001. Main effect of age: #P < 0.0001; ΩP < 0.001. No significant sex × age interactions. Statistical analysis by ANOVA with Tukey’s HSD post hoc test.