Research Article

Improved Binding Activity of Antibodies against Major Histocompatibility Complex Class I Chain-Related Gene A by Phage Display Technology for Cancer-Targeted Therapy

Figure 4

Isolation of individual mutant clones carrying improved binding activities of phages displaying anti-MICA. Individual clones (108 pfu) isolated from the 7th round of biopanning were tested for MICA binding by ELISA. WW2G8, WW6B7, and WW9B8 mutants were shown in (a), (b), and (c), respectively. VCSM13 (108 pfu) was used as a negative control. It should be noted that most of isolated clones had OD less than the pool phages with the exception of WW9B8. There were two WW9B8 mutants (red arrow) with OD values of 6 and 7 times higher than that of the pool phages, respectively.
597647.fig.004a
(a)
597647.fig.004b
(b)
597647.fig.004c
(c)