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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Cancer Res. 2015 Feb 1;75(3):544–553. doi: 10.1158/0008-5472.CAN-14-2211

Figure 5. Cells relying on protein scavenging for amino acid assimilation accumulate strictly proteinogenic amino acids.

Figure 5

KRPC cells were grown in amino acid-replete or amino acid-free medium and supplemented with physiological levels of albumin. (A) Fractional contribution of serum protein-derived carbon to intracellular amino acid pools. (B, C) Relative intracellular amino acid abundances. (D, E) Net uptake or excretion of amino acids into the medium. Data are means ± SE of n ≥ 3.