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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2002-5-23
pubmed:abstractText
Caspase-3 is a cysteine protease that plays an important role in the process of apoptotic cell death. Whereas many studies on the clinical significance of apoptosis in the therapy of malignant tumors have been reported, little has been studied clinically on caspase-3. In the present study, the clinical significance of caspase-3 expression in resected nonsmall-cell lung cancer (NSCLC) and its correlation with incidence of apoptosis were examined. A total of 118 consecutive patients who had undergone complete resection for pathologic Stage I NSCLC were retrospectively reviewed. Caspase-3 expression was examined immunohistochemically using a polyclonal antibody that recognized uncleaved caspase-3. The 5-year survival rate for patients with strong expression of caspase-3 (66.6%) was significantly lower than that for patients with weak expression (82.1%, P = 0.021). Expression of caspase-3 was not correlated with incidence of apoptosis, proliferative activity, or p53 status. Multivariate analysis confirmed that strong expression of caspase-3 was a significant factor to predict poor prognosis. These results suggest that enhanced expression of "uncleaved" caspase-3, that is, inactivated caspase-3, was correlated with poor prognosis in resected NSCLC.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0020-7136
pubmed:author
pubmed:copyrightInfo
Copyright 2002 Wiley-Liss, Inc.
pubmed:issnType
Print
pubmed:volume
96 Suppl
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
54-60
pubmed:dateRevised
2007-7-24
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Clinical significance of caspase-3 expression in pathologic-stage I, nonsmall-cell lung cancer.
pubmed:affiliation
Department of Thoracic Surgery, Faculty of Medicine, Kyoto University, Kyoto, Japan.
pubmed:publicationType
Journal Article