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Clinical implications of microsatellite instability in colorectal cancers

✍ Scribed by Hiromi Muta; Masayuki Noguchi; Manuel Perucho; Kyousuke Ushio; Kenichi Sugihara; Atsushi Ochiai; Hajime Nawata; Setsuo Hirohashi


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
607 KB
Volume
77
Category
Article
ISSN
0008-543X

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✦ Synopsis


BACKGROUND.

Microsatellite instability (MI) has been reported in some sporadic colon tumors and in cases of hereditary nonpolyposis colorectal cancer (HNPCC). The criteria for HNPCC have not been fully defined, and clinical criteria are used to identify as many HNPCC patients as possible. To clarify the conformity of these criteria with the identification of eligible HNPCC cases, we analyzed MI in HNPCC patients diagnosed using clinical criteria.

METHODS.

Genomic DNA was extracted from surgical specimens of 56 colorectal cancers, including 36 from patients diagnosed with HNPCC using the clinical criteria. We analyzed four microsatellite loci using 3Wabeled primers.


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