HNRNPU and laryngeal squamous cell carcinoma: Furthermore, the lncRNA surfactant-associated 1 pseudogene (SFTA1P) has been demonstrated to enhance cisplatin-induced apoptosis by modulating the heterogeneous nuclear ribonucleoprotein U (hnRNP-U)-DNA damage-inducible protein GADD45 alpha (GADD45A) pathway in laryngeal squamous cell carcinoma.