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. Author manuscript; available in PMC: 2008 Jun 1.
Published in final edited form as: Toxicol Appl Pharmacol. 2007 Mar 23;221(2):251–260. doi: 10.1016/j.taap.2007.03.004

Figure 7.

Figure 7

Uptake of inorganic mercury (Hg2+) as a conjugate of cysteine (Cys-S-Hg-S-Cys) in the presence of unlabeled cystine (A), or uptake of cystine in the presence of unlabeled Cys-S-Hg-S-Cys (B). ARPE-19 cells were exposed to 5 μM Cys-S-Hg-S-Cys or cystine for 30 min at 37°C in the presence of NaCl. Results are presented as means ± standard error. Data represent two experiments performed in triplicate. +, ++, +++, significantly (p < 0.05) from the mean for the cells at the preceding concentration.