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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1995-8-15
pubmed:abstractText
The amplification of c-myc DNA for fresh frozen tissue of 31 gastric adenocarcinomas was examined with dot blot hybridization method. Using the avidin-biotin peroxidase complex method, the expression of c-myc protein was examined immunohistochemically for formalin-fixed paraffin embedded tissue of 51 gastric adenocarcinomas including the same cases for c-myc DNA analysis. c-myc DNA amplification was detected in only 4 cases (12.9%). However, c-myc protein overexpression was recognized in 21 cases (41.2%). Only one of 4 cases showing c-myc DNA amplification indicated overexpression of c-myc protein. There was no statistically significant relation of c-myc protein overexpression with clinicopathological factors (histology, depth of invasion, invasion of the vessels, metastasis, intraabdominal dissemination and histological staging). These results suggest overexpression of c-myc protein could be recognized even in early gastric cancer indicating the relation of this gene product with proliferation of gastric cancer cells, although its role in the progression and metastasis of gastric adenocarcinoma might be minimal.
pubmed:language
jpn
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0385-0684
pubmed:author
pubmed:issnType
Print
pubmed:volume
22 Suppl 2
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
176-9
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
[Correlation between malignancy of gastric cancer and c-myc DNA amplification or overexpression of c-myc protein].
pubmed:affiliation
First Dept. of Surgery, Osaka City University Medical School.
pubmed:publicationType
Journal Article, English Abstract