Research Paper Volume 16, Issue 9 pp 7511—7522

Germicidal lamps using UV-C radiation may pose health safety issues: a biomolecular analysis of their effects on apoptosis and senescence

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Figure 4. Analysis of principal pathways involved in senescence, apoptosis, and proliferation by western blot. The histogram shows the quantitative evaluation of western blot bands in HDF, HaCaT, and ARPE-19 after UV exposure with two different lamp sources: Purple Dawn (PD) and HVC2654025-16W (HVC) as indicated. The data are expressed as Arbitrary Units (A.U.) with the mean expression values (± SD, n = three). *p < 0.05; **p < 0.01; ***p < 0.001.