Figure 1

GDF11 serum levels increase with aging. GDF11 positively correlates with age (r=0.601, P<0.01). Scatter plot of serum GDF11 concentration versus age.
GDF11 serum levels increase with aging. GDF11 positively correlates with age (r=0.601, P<0.01). Scatter plot of serum GDF11 concentration versus age.