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Fig. 3 | Journal of Biomedical Science

Fig. 3

From: Characteristics of L-citrulline transport through blood-brain barrier in the brain capillary endothelial cell line (TR-BBB cells)

Fig. 3

Dose-response relationship for the inhibition of [14C]L-citrulline uptake by several L-amino acids and drugs. Uptake of [14C]L-citrulline was measured in TR-BBB cells with 5 min incubation in the presence of 0–20 mM unlabeled L-phenylalanine (open circle) and L-arginine (closed triangle), 0–5 mM L-dopa (open triangle) and gabapentin (close circle) at pH 7.4 and 37 °C. The data represent the mean ± S.E.M. (n = 3–4)

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