Cell viability was measured after cancer cells were intervened with series concentrations of DDP (0, 0.5, 1.0, 2.0, 3.0 and 4.0 μg/ml) in LH-free medium (LH: 0 μg/ml, DDP group) or LH medium (LH: 200 μg/ml, LH + DDP group) for 72 h. Here, PLOD1 is linked to cancer.