Figure 2From: Quantification of Epstein-Barr virus DNA load, interleukin-6, interleukin-10, transforming growth factor-β1 and stem cell factor in plasma of patients with nasopharyngeal carcinomaPlasma levels of (A) IL-6, (B) IL-10, (C) TGF-β1 and (D) SCF in 51 NPC patients, both before and after treatment, and 39 healthy controls. Quantification of cytokines and growth factors was performed using the BD OptEIA ELISA Set (BD Biosciences, USA). Bars indicate means and SE. Differences in means that are of statistical significance are as explained in the text.Back to article page