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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Toxicol Appl Pharmacol. 2015 Oct 3;289(2):155–162. doi: 10.1016/j.taap.2015.09.029

Figure 3. Human plasma samples indicate the presence of modified R257.

Figure 3

(A) Multiple-reaction monitoring transitions (660.6/237.1; 660.6/109.6; 660.6/801.5; 660.6/635.6) indicate the presence of a modified R257-containing peptide of albumin in the plasma of human patients, shown in a representative diabetic patient sample. (B) Four separate patient plasma samples, representative of all 12 patients analyzed, showed the presence of 660.6/237.1 transition.