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Western blotting results of integrin α6, p63, K1, and tubulin (top to bottom) at ultraviolet B irradiation of 0, 50, and 100 mJ/cm2 (left to right). Results showed that normal human keratinocytes after ultraviolet B at 50 and 100 mJ/cm2 possessed higher levels of p63 and integrin α6. K1 was weakly expressed in control cells only.
