Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1994-2-10
pubmed:abstractText
In order to study the mechanism of cancer metastasis, AH100B rat hepatoma cells were transplanted to the stomach of male Donryu rats. Each hepatic metastatic nodule was collected with the respective primary gastric lesions. Each sample thus obtained was injected separately into the peritoneal cavity of male Donryu rats to make free cancer cells; then, intact cancer cells of the hepatic metastatic and primary gastric lesions were collected. After washing in Dulbecco's phosphate-buffered saline (Ca2+ and Mg(2+)-free, pH 7.2), the definite number of the metastatic and primary gastric cancer cells were incubated in the phosphate-buffered saline containing [1-14C] arachidonic acid at 25 degrees C for 30 min. Arachidonic acid metabolites formed during the incubation period were extracted and subjected to thin-layer chromatography, followed by autoradiography. Each radioactive spot was scraped off the plate and measured for its radioactivity. The pattern of the ability to produce PGs was different between the cancer cells which metastasized to the liver and those of the primary lesions, that is, percentage of PGF2 alpha was higher (p < 0.05) and that of PGE2 was quite higher (p < 0.01) in the hepatic metastatic cancer cells as compared with those of the primary gastric lesion. These results suggest that PGs produced by hepatic metastatic cancer cells might play an important role in hepatic metastatic formation.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0040-8727
pubmed:author
pubmed:issnType
Print
pubmed:volume
170
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
59-61
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Some features of prostaglandin synthesis of the cancer cells metastasized into liver from gastric cancer lesions.
pubmed:affiliation
Third Department of Internal Medicine, Tohoku University School of Medicine, Sendai.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't