Endometrial cancer and microsatellite instability status.

Abstract:

:Microsatellite instability (MSI) is an important factor in the development of various cancers as an identifier of a defective DNA mismatch repair system. The objective of our study was to define the association between microsatellite instability status and traditional clinicopathologic characteristics of endometrioid type adenocarcinoma. MATERIAL AND METHODS:MSI status of endometrial cancer was examined by employing the Promega MSI Analysis System. This system uses 5 mononucleotide markers to identify MSI in tumour and normal tissue DNA (BAT-25, BAT-26, NR-21, NR-24, and MONO-27), and 2 pentanucleotide markers (Penta C and Penta D) for specimen identification. In this study, we investigated MSI status in 109 endometrial carcinomas. RESULTS AND CONCLUSIONS:One hundred (92%) of 109 endometrial cancers showed endometrioid type histology and only 9 (8%) non-endometrioid type. MSI-high was found in 17% (17/100) of endometrioid type adenocarcinomas, in 0% (0/9) of non-endometrioid carcinomas. Selected clinicopathologic parameters for endometrioid type adenocarcinomas were compared to the MSI status which was separated into two groups - MSI-high and MSI stable. The results showed that MSI-high status was related to clinicopathologic parameters such as deep myometrial invasion and higher histologic grade in endometrioid type adenocarcinomas.

journal_name

Open Med (Wars)

authors

Kanopiene D,Vidugiriene J,Valuckas KP,Smailyte G,Uleckiene S,Bacher J

doi

10.1515/med-2015-0005

subject

Has Abstract

pub_date

2014-11-11 00:00:00

pages

70-76

issue

1

issn

2391-5463

pii

med-2015-0005

journal_volume

10

pub_type

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