Itwas found association of the rs3742879*AA genotype withincreased bronchial hyperresponsiveness (Vonk et al., 2010).In addition, our findings are partially inconsistent with studiesBatozhargalova et al., that did not find an association ofa combination of NOS2A*(CCTTTT)nS/L and rs3742879*AAgenotypes of the ARG2 gene with asthma in girls from Russia(Batozhargalova et al., 2017). Here, NOS2 is linked to asthma.