Fig. 5: The role of miR-519d-5p and KCTD21-AS1 in tumor metastasis.

a The experimental metastasis mouse model was injected with KCTD21-AS1, siRNA-KCTD21-AS1, miR-519d-5p-treated A549/GFP cells. b Visualization of the metastatic tumors to lungs. c Visualization of the HE-stained lung section. Barā=ā125āμm. d Immunohistochemistry of human CD44 staining. Barā=ā125āμm.