CD82 and thyroid gland papillary carcinoma: Remarkably, it was shown that CD82 (known also as KAI1) showed increased expression in papillary thyroid carcinoma but decreased in anaplastic carcinoma [64], which was also confirmed in our study (Figure 4d shows the suppression of CD82 in the 8505c cell line which is derived from anaplastic thyroid carcinoma).