The expression of Toll-like receptors 2, 4, 5, 7 and 9 in Merkel cell carcinoma.

نویسندگان

  • Lauri Jouhi
  • Virve Koljonen
  • Tom Böhling
  • Caj Haglund
  • Jaana Hagström
چکیده

AIM We sought to clarify whether the expression of toll-like receptors (TLR) in Merkel cell carcinoma (MCC) is linked to tumor and patient characteristics, especially the presence of Merkel cell polyoma virus (MCV). MATERIALS AND METHODS The study comprised of 128 patients with data on Merkel cell polyomavirus (MCV) status and clinical features were included in the study. Immunohistochemistry for TLR expression was performed on tissue microarray (TMA) slides. RESULTS TLR 2, 4, 5, 7 and 9 expression was noted in most of the tumor specimens. Decreased expression of TLR 9 correlated strongly with MCV positivity. Cytoplasmic TLR 2 expression correlated with small tumor size, while nuclear TLR 2 and TLR 5 expressions with larger tumors. Increased nuclear TLR 4 expression and decreased TLR 7 expression were associated with older age. CONCLUSION TLR 2, 4, 5, 7 and 9 appear to reflect certain clinicopathological variables and prognostic markers of MCC tumors.

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عنوان ژورنال:
  • Anticancer research

دوره 35 4  شماره 

صفحات  -

تاریخ انتشار 2015