To verify the cellular function of HS3ST3A1 and CAPN8, we transfected shHS3ST3A1 and shCAPN8 into papillary thyroid cancer cells BCPAP and TPC-1, which downregulation was detected by Western blot (Figure 7(d)). This evidence concerns the gene HS3ST3A1 and thyroid gland papillary carcinoma.