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Understanding The Role Of Involucrin In Skin Inflammation, Alina Schmidt
Understanding The Role Of Involucrin In Skin Inflammation, Alina Schmidt
Arts & Sciences Electronic Theses and Dissertations
Terminally differentiated keratinocytes are essential for skin barrier function and are surrounded by an involucrin (IVL)-rich cornified envelope. Increased IVL expression in the epidermis is associated with recent positive selection in European populations, yet the functional significance of this finding is unclear. An upstream enhancer of IVL, the 923 enhancer, regulates IVL expression, and the impact of IVL enhancer variants on involucrin expression in modifying the penetrance of filaggrin (FLG) loss-of-function variants associated with atopic dermatitis (AD) has not been explored. I hypothesize involucrin to modulate the environmentally sensitive Vitamin D receptor (Vdr) activity in the epidermis and involucrin enhancer …