Fig. 3

HOTAIR promotes CSCC cell proliferation in vivo. a Representative images of xenografts tumor in nude mice. b Tumor weight is monitored. c Representative images of IHC stained Ki-67 are shown (bar = 20 μm). d Representative images of H&E stained lung tissues are shown. e Representative images of TUNEL stained tumors tissues are shown (bar = 20 μm). Data were presented as mean ± SD. *P < 0.05; ns, no significant difference; siRNA NC, siRNA negative control group