Fig. 4. Ratio of the sum of global lipids Unsaturated fatty acids (∑Unsat) and the sum of Saturated fatty (∑Sat) isolated from HL-60 cells prior and post cryopreservation in DMSO alone, DMSO +Nig, DMSO +Sal or DMSO +Nig/Sal (n=5; Mean +/- SEM).