Figure 2. TPT1-AS1 promotes CRC cell proliferation in vitro and vivo. (A) TPT1-AS1 endogenous level in CRC cell lines and normal colonic cell line NCM460 was detected by qRT-PCR. TPT1-AS1 expression was examined in TPT1-AS1 silencing HCT116 and LoVo cells (B) and overexpressing SW620cells (C). MTT (D) and clone formation assays (E) were applied to assess the effect of TPT1-AS1 on CRC cell proliferation and growth. (F) TPT1-AS1 knockdown inhibited the tumor volume and weight in nude mice tumorigenicity assay. *P<0.05, **P<0.01.