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- Original Article Survivin and Fas Ligand Expressions Are Correlated with Angiolymphatic Tumor Spread in Medullary Thyroid Carcinoma.
- Min Kyung Kim, Jin Hee Sohn, Mee Joo, Hanseung Kim, Sung Hye Park, Seong Hoe Park, Eo Jin Kim, Seoung Wan Chae
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Journal of Pathology and Translational Medicine 2005;39(5):320-325
DOI: https://doi.org/
2Department of Pathology, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea.
3Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
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Abstract
BACKGROUND
Medullary thyroid carcinoma (MTC) that originates from C cells comprises about 10% of all the malignant thyroid tumors. Activating mutations of the RET proto-oncogene have been found to be involved in the anti-apoptotic pathway of MTC that harbors the RET mutation.
We investigated the correlation between the clinicopathologic parameters and the expressions of survivin, a novel anti-apoptotic molecule, and the other apoptosis-related proteins, and the known prognostic markers.
METHODS
Immunohistochemical staining was performed using antibodies for survivin, Fas, Fas ligand (FasL), bcl-2, calcitonin, CEA and cyclin A in 19 case of MTC; 10 sporadic MTCs, eight multiple endocrine neoplasia (MEN) type 2A MTCs and one familial MTC (FMTC).
RESULTS
Survivin protein expression was found in five cases (26%) and this was correlated with the presence of angiolymphatic tumor emboli (p=0.019). FasL was expressed in 14 cases (74%) and it had correlation with the presence of lymph node metastases (p=0.029). The cyclin A-labeling indices were correlated with local invasiveness (p=0.001).
CONCLUSIONS
Survivin and FasL might be involved in the lymphatic tumor spread of MTC.
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