SNAI1 and nasopharyngeal carcinoma: Further research showed that HOXA13 and Snail were highly expressed in nasopharyngeal carcinoma tissues (68.75% (44/64) and 62.50% (40/64), respectively), significantly higher than normal tissues (6.67% (2/30) and 13.33% (4/30)), respectively) (P < 0.05).