Expression of caveolin-1, caveolin-2 and caveolin-3 in thyroid cancer and stroma

Dokyung Kim, Haeryoung Kim, Ja Seung Koo

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Objective: To study the expression status of caveolin-1, caveolin-2 and caveolin-3 in the epithelial and stromal compartments of conventional papillary thyroid carcinoma (PTC), diffuse sclerosing variant of papillary carcinoma (DSVPC) and anaplastic carcinoma (AC). Methods: Tissue microarrays were constructed from 70 PTC, 41 DSVPC and 12 AC, and immunohistochemical stains were performed with caveolin-1, caveolin-2, caveolin-3, cytokeratin, vimentin and E-cadherin. The expression status of these markers in the epithelial and stromal cells was evaluated, and the results were correlated with the clinicopathologic variables. Results: Epithelial caveolin-3 expression was absent in the majority of PTC and DSPVC, and was significantly increased in AC (p < 0.001). The stromal expression of caveolin-1, caveolin-2 and caveolin-3 increased in frequency from PTC to DSVPC to AC, and was significantly increased in the stroma of AC (p < 0.001). Cytokeratin and E-cadherin were more frequently negative in AC compared to PTC (p = 0.003) and DSVPC (p < 0.001), while vimentin was more frequently expressed in AC compared to PTC and DSVPC (both p < 0.001). Conclusion: Epithelial caveolin-3 expression is increased in AC compared to PTC and DSVPC, and this may be linked to the epithelial-mesenchymal transition process of AC. In addition, stromal caveolin-1, caveolin-2 and caveolin-3 expression was more frequent in AC compared to PTC and DSVPC, and the specific expression of caveolin-3 in the stroma of AC could suggest a possible role of myofibroblasts.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalPathobiology
Volume79
Issue number1
DOIs
Publication statusPublished - 2012 Jan

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Molecular Biology
  • Cell Biology

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