MAGE-1, GAGE-1/-2 gene expression in FNAB of classic variant of papillary thyroid carcinoma and papillary hyperplasia in nodular goiter.
Differentiation of the papillary variant of papillary thyroid carcinoma (PTC) from papillary hyperplasia in nodular goiter may be difficult in fine-needle aspiration biopsy (FNAB) by means of morphology alone. To improve cytodiagnostic accuracy the occurrence of MAGE-1, GAGE-1/-2 gene expression was analyzed by means of RT-PCR. The genes investigated are recognized by autologous T lymphocytes and are expressed in carcinomas of various sites e.g. lung, ovary, colon but not in non-neoplastic tissue except testis. Routinely obtained smears with cytologic diagnosis of PTC confirmed by histology (n=20) and diagnosis of nodular goiter (n=10) were investigated. The MAGE-1, GAGE-1/-2 PCR products were found in 6/20 of the carcinomas but in none of the benign lesions. To identify PCR products automatic gene-sequencing in all positive cases was performed. The data indicate that MAGE-1, GAGE-1/-2 gene expression may give additional information to delineate PTC from papillary hyperplasia in FNAB.
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Document Type: Research Article
Affiliations: Department of Cytopathology, Georg-August University Gottingen, 37075 Gottingen, Germany.
Publication date: October 1, 1999
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- The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.
The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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