highly significantp < 0.01
Differences between groups were analyzed by the Paired t test for the other experimental results.** Indicates highly significant differences ( p < 0.01), * indicates significant differences ( p < 0.05), when compared with control, ## p < 0.01, # p < 0.05 when compared with AsAP alone, and †† p < 0.01, when compared between NTP–treated samples, throughout the current study.