MAGE-A1, MAGE-A3 AND NY-ESO-1 IN SQUAMOUS CELL CARCINOMA OF THE PENIS (CROSBI ID 510373)
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Podaci o odgovornosti
Hudolin, Tvrtko ; Juretić, A ; Pasini, J ; Dimanovski, J ; Krušlin, Božo
engleski
MAGE-A1, MAGE-A3 AND NY-ESO-1 IN SQUAMOUS CELL CARCINOMA OF THE PENIS
AIM: To investigate immunohistochemical expression of MAGE-A and NY-ESO-1/LAGE-1, cancer testis antigens in penile carcinoma tissue. METHODS: 30 penile carcinoma samples from patients undergoing penile amputation at the Urology Clinic at the Zagreb Clinical Hospital Center and Clinical Hospital Sestre milosrdnice from 1997 to 2004 were investigated in this study. Three monoclonal antibodies were used for immunohistochemical staining: 77B for MAGE-A1, 57B for multi-MAGE-A and D8.38 for NY-ESO-1 expression. RESULTS: The mean patient age was 64.7 years old (range 41 to 92). Expression of MAGE-A1 was observed in 13% of carcinoma samples, whereas both multi-MAGE-A and NY-ESO-1 stained 97% of samples. Immunohistochemical staining was only detectable in the cytoplasm. A significant heterogeneity could be observed within a same tissue sample where areas with strong positivities coexisted with cancer testis antigens negative areas. Cancer testis antigens expression was not significantly correlated with the tumor grade. CONCLUSION: This study documents for the first time the expression of CTA in penis cancers. Further research is warranted with potential implications regarding both diagnosis and therapy.
Squamous cell carcinoma; Penis
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Podaci o prilogu
233-233-x.
2005.
objavljeno
Podaci o matičnoj publikaciji
Podaci o skupu
16th Ljudevit Jurak International Symposium on Comparative Pathology
poster
03.06.2005-04.06.2005
Zagreb, Hrvatska