1. Amann PM, Schadendorf D, Owen RW, et al. Retinal and retinol are potential regulators of gene expression in the keratinocyte
2. cell line HaCaT. Exp Dermatol. 2011;20(4):373−375.
3. DeLuca LM, Shapiro SS. Modulation of cellular interactions by vitamin A and derivatives (Retinoids). Ann NY Acad Sci.
4. 1981;359.
5. Boyce ST, Ham RG. Calcium regulated differentiation of normal human epidermal keratinocytes in chemically-defined clonal