From: Differential baseline and response profile to IFN-γ gene transduction of IL-6/IL-6 receptor-α secretion discriminate primary tumors versus bone marrow metastases of nasopharyngeal carcinomas in culture
Variable
P-NPC cell lines
(n = 5)
Metastasis-derived NPC cell lines
(n = 3)
p value#
IL-6 (pg/ml)
60.8 ± 50.7 †
787.7 ± 522.9
0.025
IL-6Rα (pg/ml)
609.5 ± 252.8
124.6 ± 90.1