The expressions of vimentin and NF-?B were detected in thyroid tissue by immuno- histoehemistry in 26 cases with Hashimoto′s thyroiditis and 9 normal subjects.The results showed that there was a significantly increased expression of vimentin in Hashimoto′s thyroiditis as compared with the normal controls.It indicated that epithelial-mesenchymal transformation existed in follicular epithelial ceils of Hashimoto′s thyroiditis. Furthermore,the expression of vimentin was closely related with NF-?B.
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