ILK and hydrops fetalis: Keratinocyte-specific ILK (K5-Cre) gene knockout inmouse (keratin 5 gene promoter controlled Cre-recombinase) led to thedisturbance of keratinocyte adhesion and BM integrity, blisters formation,keratinocyte ectopic proliferation in the suprabasal layers, abnormalkeratinocyte differentiation, epidermal hyperplasia, defects in HF formation,and alopecia.