“…Moreover, the spectral changes of quinolones under UVA irradiation were related to the inhibition rate of lymphocyte mitogenic activity under stimulation by concanavalin A (Shimizu et al, 1995). In the present study, however, UVA-preirradiated SPFX did not increase PGE2 concentration in the culture medium of 3T3 cells, corresponding to the result of the previous report that intraauricular injection of UVA-irradiated quinolone did not induce skin inflammation (Wagai and Tawara, 1991).…”