Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2001-11-20
pubmed:abstractText
We examined enzymatic activities of thymidylate synthase (TS) and dihydropyrimidine dehydrogenase (DPD) in non-small cell lung cancer (NSCLC) tissues to determine the relationship to tumor sensitivity to 5-fluorouracil (5-FU). TS and DPD activities were measured in 60 surgically resected primary NSCLC tissues using a TS-binding assay and a radioenzyme assay, respectively. In vitro tumor sensitivity to 5-FU was assayed using a collagen gel droplet embedded culture drug test (CD-DST). DPD activities slightly correlated with in vitro sensitivity to 5-FU (r=0.402,P=0.013), such that tumors with higher DPD activity were more resistant to 5-FU. In contrast, no correlation was observed in TS activities. Thus, it was suggested that only DPD activity in NSCLC tissues is a potential indicator in predicting tumor sensitivity to 5-FU. Based on these results, further study is needed to evaluate the clinical significance of these enzymes in 5-FU-based chemotherapy for patients with NSCLC.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0169-5002
pubmed:author
pubmed:issnType
Print
pubmed:volume
34
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
407-16
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Thymidylate synthase and dihydropyrimidine dehydrogenase activities in non-small cell lung cancer tissues: relationship with in vitro sensitivity to 5-fluorouracil.
pubmed:affiliation
Department of Thoracic Surgery, Osaka Medical Center for Cancer and Cardiovascular Diseases, 1-3-3 Nakamichi, Higashinariku, Osaka 537-8511, Japan. higashiyama@rj8.so-net.ne.jp
pubmed:publicationType
Journal Article, In Vitro