Overexpression of PFTK1 predicts resistance to chemotherapy in patients with oesophageal squamous cell carcinoma.

British Journal of Cancer
H MiyagakiY Doki

Abstract

Recently, PFTK1 was identified as a member of the cyclin-dependent kinase family; however, its expression and clinical significance in oesophageal squamous cell carcinoma (ESCC) have not been evaluated. PFTK1 expression was initially examined by expression microarray in 77 ESCC patients. Using independent samples of 223 patients, PFTK1 expression was evaluated immunohistochemically to assess the relationship between expression and various clinicopathological parameters. The association between PFTK1 and the response to chemotherapy was also investigated in pretreatment samples of 85 patients who received chemotherapy as first treatment. Significant upregulation of PFTK1 expression was noted in ESCC compared with normal epithelium. PFTK1 expression was positive in 51.6% (115 out of 223) of the tumours, but did not correlate with any clinicopathological parameter. The 5-year overall survival rate was poorer in patients positive for PFTK1 (43.6%) than those with negative expression (66.2%, P<0.001). Uni- and multivariate analyses identified PFTK1 as an independent marker of prognosis (RR=2.428, 95% CI=1.615-3.711, P<0.001). Out of 85 biopsy samples, 40 (47.1%) tumours showed PFTK1-positive expression, and the response rate to chem...Continue Reading

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Citations

Aug 4, 2015·Journal of Molecular Neuroscience : MN·Shaochen FanTao Tao
Jan 17, 2016·International Journal of Biological Macromolecules·Weiwei ZhangYan Deng
Mar 17, 2017·European Journal of Pharmacology·Bing WangTing Tan
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Oct 17, 2020·OncoTargets and Therapy·Mei JiangWentao Yue

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Methods Mentioned

BETA
surgical resection
biopsy
PCR
Feature Extraction
biopsies

Software Mentioned

G2567AA Feature Extraction
GeneSpring
MIAME
JMP

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