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MSH3 Gene
Disorder
Aliases | PubMed IDs | |
---|---|---|
endometrial cancer 16 2346 91 142 |
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superficial urinary bladder cancer 91 |
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gastric leiomyoma 91 |
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phlebotomus fever 91 |
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ovarian clear cell carcinoma 191 |
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Microsatellite status and immunohistochemical features of ovarian clear-cell carcinoma.
Ovarian clear-cell carcinoma (OCC) is known to have a poor prognosis and selected genetic features of OCC
remain unknown. We investigated microsatellite instability (MSI) and
the expression of the DNA mismatch repair-related protein, p53. MSI was
examined by polymerase chain reaction using mono-, di-, tri- and
tetranucleotide repeat markers, and hMSH2, hMLH1, hMSH6, MSH3 and p53 were determined immunohistochemically in 24 cases of OCC.
A total of 9 (37.5%) cases exhibited MSI. Two cases (8.3%) exhibited
MSI-H in mononucleotide repeat loci with the negative expression of
hMLH1, while another 7 cases (29.2%) exhibited selected trinucloetide
repeat MSI (MSI-TR). Of these MSI-TR cases, 4 cases (57.1%) were
determined to be negative for MSH3, while hMSH2, hMSH6, MSH3 and p53 expressions were normal. Our findings suggest that MSI-TR would be a feature indicating the microsatellite status in OCC, and that the loss of MSH3 expression may promote MSI-TR.
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