Intracellular FAD, NAD and NADH rise following irradiation.

<p>Cells were irradiated with 10 Gy or left untreated and incubated for 24 h before harvest and FAD or NAD/NADH assay. <b>A</b>) range of FAD concentrations per 1 million DC2.4. cells (n = 3), <b>B</b>) Mean NADH concentration per 1million cells (n = 2±s.d.), <b>C</b>) mean NAD concentration per 1 million cells of n = 2±s.d., <b>D</b>) ratio of mean NADH/NAD per 1 million cells (n = 2±s.d. *p<0.05).