Clustering analysis of 951 DEGs from 11 HepG2-A16 cell culture samples representing four study groups. A, hierarchical clustering of samples using clustered correlation with average linkage. B, principal component analysis of samples; Control (▴), non-infected; Spor (*), wild-type sporozoite infected; IrradSpor (●), irradiated sporozote infected; SalGld (■), mosquito salivary gland extract exposed.