Source:http://linkedlifedata.com/resource/pubmed/id/12081205
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Predicate | Object |
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rdf:type | |
pubmed:issue |
1
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pubmed:dateCreated |
2002-6-25
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pubmed:abstractText |
Microsatellite instability is a well-recognised phenomenon. Ten to 15% of sporadic colorectal cancers with a high level of MSI form a well defined group with distinct clinicopathological features. The set of tumours with low level of microsatellite instability (MSI-low), though widely referred to, is not a clearly defined group. The definitions of MSI-low have varied among groups and between different studies from the same group. Some studies have found associations between the MSI-L phenotype and molecular features, notably a higher frequency of K-ras mutations, and, possibly, methylation of methylguanine methyltransferase. Two recent independent studies, however, showed respectively that 68% and 79%, non-MSI-H cancers showed some MSI and could therefore be classed nominally as MSI-L. There was no evidence for a qualitatively discrete MSI-L group, but quantitative differences in the level of MSI were found.
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pubmed:commentsCorrections | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
May
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pubmed:issn |
0022-3417
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
197
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
6-13
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pubmed:dateRevised |
2005-11-16
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pubmed:meshHeading | |
pubmed:year |
2002
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pubmed:articleTitle |
Does MSI-low exist?
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pubmed:affiliation |
Molecular and Population Genetics Laboratory, Imperial Cancer Research Fund, London, UK. i.tomlinson@icrf.icnet.uk
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pubmed:publicationType |
Journal Article,
Review
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