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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2010-6-10
pubmed:abstractText
DJ-1 is frequently overexpressed in a large variety of solid tumors, but the DJ-1 expression in laryngeal squamous cell cancer and its clinical/prognostic significance is unclear. We aimed to evaluate DJ-1 protein expression in glottic squamous cell carcinoma (GSCC) and to correlate this with clinicopathological data including patient survival. The expression of DJ-1 in GSCCs (60) and adjacent normal tissue (44) was assessed by immunohistochemistry and western blot analysis. In addition, the role of DJ-1 was investigated in tumorigenesis by transfecting DJ1-specific siRNA into laryngeal squamous cell carcinoma (LSCC) Hep-2 cells. Our data showed that positive expression of DJ-1 was found in 85% of GSCCs. In univariate survival analysis of the GSCC cohorts, a highly significant association between DJ-1 expression with shortened patient overall survival (5-year survival rate 92.9%vs 66.6%; P = 0.001; log rank test) was demonstrated. In multivariate analyses, DJ-1, tumor grading, and pT status were significant prognostic parameters for shortened patient overall survival. Furthermore, siRNA targeting DJ-1 can effectively inhibit DJ-1 expression, resulting in enhanced apoptosis and less proliferation of Hep-2 cells. We concluded that DJ-1 overexpression might be a novel independent molecular marker for poor prognosis (shortened overall survival) of patients with GSCC.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1349-7006
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
101
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1320-5
pubmed:meshHeading
pubmed:year
2010
pubmed:articleTitle
DJ-1: a novel independent prognostic marker for survival in glottic squamous cell carcinoma.
pubmed:affiliation
Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital, Guangzhou, China.
pubmed:publicationType
Journal Article