Fig. 4

Scores and loading plots in pairwise OPLS-DA analysis from cultured media. a Normal NP69 versus high differentiated CNE1 cells (R²X = 83.6%, R²Y = 1.000, Q² = 0.995, P < 0.0001), b normal NP69 versus low differentiated CNE2 cells (R²X = 81.7%, R²Y = 1.000, Q² = 0.976, P < 0.0001), c high differentiated CNE1 versus low differentiated CNE2 cells (R²X = 67.0%, R²Y = 0.996, Q² = 0.773, P < 0.0001)