PTGDR and neoplasm: Results showed that inoculation of RL‐952 and HHUA cells containing sh‐DLX6‐AS1, sh‐DLX6‐AS1 + sh‐DLX6 and sh‐DLX6‐AS1 + oe‐DLX6 led to smaller tumour size and weight (Figure 7A‐C) along with lower DLX6 expression (Figure 7D) in comparison with sh‐NC (P < 0.05).