SCN9A and non-small cell lung carcinoma: A study of mRNA levels of NaV1.6 and NaV1.7 in human non-small-cell lung cancer (NSCLC) by Roger et al published in 2007 determined their expression in cancerous cells, H23, H460, Calu-1, a weakly metastatic cell line, A549 and non-cancerous cell lines, NL-20 and BEAS-2B (Roger et al., 2007).