To clarify the regulatory effects of SNHG3/HDGF axis on glioma cell progression, A172 and SHG44 cells were transfected with si-SNHG3, si-SNHG3 + pcDNA-HDGF, si-SNHG3 + pcDNA-control, and si-control. The gene discussed is HDGF; the disease is glioma.