ATM and Fanconi anemia: Meanwhile, studies have shown that HPV activates ATM (Moody and Laimins, 2009; Sakakibara et al., 2011) and ATR (Reinson et al., 2013; Hong et al., 2015) pathways and fanconi anemia (Spardy et al., 2007; Hoskins et al., 2012) pathways, which are critical pathways in DNA damage repair network.