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Allelic loss at the D9S171 locus on chromosome 9p13 is associated with progression of papillary renal cell carcinoma by Schraml, P.; Mller, D.; Bednar, R.; Gasser, Th.; Sauter, G.; Mihatsch, M. J.; Moch, H. is a Medicine article available to read on EtoBox.

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Papillary renal cell carcinomas (RCCs) have characteristic clinical and morphological features that separate them from the more common clear cell RCCs. The details of the molecular changes in papillary RCC progression are not well understood. In this study, four highly polymorphic microsatellite markers [D9S970 (9p12-9p13), D9S171 (9p13), D9S1748 (9p21) and D9S156 (9p21)] were used to determine the frequency and prognostic significance of 9p deletions in 37 papillary RCCs. Allelic deletions were detected in eight cases (22%). The highest rate of loss of heterozygosity (LOH) was observed in 6 of 29 informative patients (21%) at the D9S171 locus on 9p13. Only two patients displayed allelic loss at D9S1748, which resides in close proximity to p16(INK4). Two of 24 informative papillary RCCs (8%) showed LOH for D9S970. LOH at D9S171 (9p13) was associated with short patient survival (p=0.008), independently of tumour grade and stage. These data suggest a tumour suppressor gene centromeric to 9p21 that may contribute to papillary RCC progression.

Who reads Allelic loss at the D9S171 locus on chromosome 9p13 is associated with progression of papillary renal cell carcinoma?

Author

Schraml, P.; Mller, D.; Bednar, R.; Gasser, Th.; Sauter, G.; Mihatsch, M. J.; Moch, H.

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0022-3417)

Published

2000

Language

EN

Field

Medicine (Health Sciences)