GPC5 and pachyonychia congenita: Lijovic M. et al. showed CD82 to be linked to PC incidence52; Wang Y. et al. shown the association between CHEK2 and PC progression53; Ouyang X. et al. identified a link between FOS and PC54; Gruosso T. et al. showed MAP3K8 to be associated with LC55; Vallejo A. et al. found a link between FOS and LC incidence56; Yuan S. et al. showed an association between GPC5 and LC progression57.