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Arkh Patol ; 74(2): 10-3, 2012.
Artículo en Ruso | MEDLINE | ID: mdl-22880406

RESUMEN

Papillary adenocarcinoma is an abundant form of renal cell carcinoma. At present any diagnostic and prognostic molecular markers of papillary adenocarcinoma are absent, however some cytogenetic and molecular-genetic features of disease are known. According to literary data, the 1q32 duplication is associated with progressive deterioration of primary tumor. We have done a genetic typing (D1S2142 and D1S3465 locus) of 39 papillary adenocarcinoma cases, used PCR and fragment analyses of the 1q32 area. Frequency of the allelic disbalance was 36.8%; the microsatellite instability was found out in 48.7% of cases. The association of genetic disturbances with clinic-morphological features of papillary adenocarcinoma wasn't revealed. In some cases genetic heterogeneity of tumor-adjacent renal parenchyma and primary tumors was found out at multifocal renal carcinoma. For the first time we ve demonstrated that the allelic disbalance in 1q32 area and the microsatellite instability are frequent molecular-genetic disturbances in sporadic papillary carcinomas at all stages of the disease. Probably, the microsatellite instability is connected with progressive deterioration of primary tumor at renal papillary adenocarcinoma.


Asunto(s)
Adenocarcinoma Papilar , Desequilibrio Alélico , Cromosomas Humanos Par 1/genética , Neoplasias Renales , Inestabilidad de Microsatélites , Adenocarcinoma Papilar/genética , Adenocarcinoma Papilar/patología , Femenino , Humanos , Neoplasias Renales/genética , Neoplasias Renales/patología , Masculino , Reacción en Cadena de la Polimerasa/métodos
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