The levels of TGF-β in the UCC group, the CIN group and the healthy control group were 49000 ± 12910 pg/mL, 46000 ± 11480 pg/mL and 22000 ± 8140 pg/mL, respectively (Figure 4A). The gene discussed is TGFB1; the disease is cervical squamous intraepithelial neoplasia.