Microsatellite instability in prostate cancer.

Abstract:

:Assessment of the genetic instability of a microsatellite has indicated a new mechanism in human carcinogenesis. Examination was made to determine whether microsatellite instability is associated with the onset of prostate cancer. Twenty-nine DNA samples from 24 primary prostate cancer, two metastatic lymph-node and three benign prostatic hypertrophy patients were used. Differences in unrelated microsatellites for tumor and normal DNA were detected in nine of 24 (37.5%) cases. Seven of 11 (63.6%) with poorly differentiated adenocarcinomas and seven of 15 (46.7%) stage D metastatic patients showed somatic instability in a number of microsatellites. Statistically significant differences in well to moderately differentiated tumors and poorly differentiated cancer (P = 0.015, Chi-square test), were detected but not for stages A-C and D (P = 0.2311). Genetic alterations would thus appear to be rare in low grade and/or early prostate cancers but more common in high grade and/or advanced prostate cancers.

journal_name

Oncogene

journal_title

Oncogene

authors

Uchida T,Wada C,Wang C,Ishida H,Egawa S,Yokoyama E,Ohtani H,Koshiba K

subject

Has Abstract

pub_date

1995-03-02 00:00:00

pages

1019-22

issue

5

eissn

0950-9232

issn

1476-5594

journal_volume

10

pub_type

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