Identification of trophinin as an enhancer for cell invasion and a prognostic factor for early stage lung cancer

Kuan Yu Chen, Yuan Chii Gladys Lee, Jin Mei Lai, Yih Leong Chang, Yung Chie Lee, Chong Jen Yu, Chi Ying F Huang, Pan Chyr Yang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The explosion of microarray studies has promised to shed light on the identification of disease markers. To find novel prognostic factors, we used the expression profile of a poor prognostic factor of lung cancer, survivin (BIRC5), as a template to search for and compare transcriptome expression profiles in a lung adenocarcinoma microarray dataset. Trophinin (TRO) was identified as one of the best-correlated genes. The trophinin expression in lung cancer specimens was examined by immunohistochemical staining. The role of trophinin in cancer metastasis was further investigated by approaches of overexpression and knock down with small interfering RNA (siRNA). For stage I lung adenocarcinoma, the patients without trophinin expression had a better overall and disease-free survival. Overexpression of trophinin increases cell invasion ability and knock down with siRNA inhibits cell invasion. Through a combination of data mining and biochemical assays, we identified trophinin, which could enhance cell invasion, as a novel prognostic factor for early stage lung cancer.

Original languageEnglish
Pages (from-to)782-790
Number of pages9
JournalEuropean Journal of Cancer
Volume43
Issue number4
DOIs
Publication statusPublished - Mar 2007

Fingerprint

Lung Neoplasms
Small Interfering RNA
Data Mining
Explosions
Transcriptome
Disease-Free Survival
Staining and Labeling
Neoplasm Metastasis
Genes
Neoplasms
Adenocarcinoma of lung
Datasets

Keywords

  • Female
  • Malignancy
  • Metastasis
  • Survival
  • Survivin
  • Trophinin

ASJC Scopus subject areas

  • Cancer Research
  • Hematology
  • Oncology

Cite this

Identification of trophinin as an enhancer for cell invasion and a prognostic factor for early stage lung cancer. / Chen, Kuan Yu; Lee, Yuan Chii Gladys; Lai, Jin Mei; Chang, Yih Leong; Lee, Yung Chie; Yu, Chong Jen; Huang, Chi Ying F; Yang, Pan Chyr.

In: European Journal of Cancer, Vol. 43, No. 4, 03.2007, p. 782-790.

Research output: Contribution to journalArticle

Chen, Kuan Yu ; Lee, Yuan Chii Gladys ; Lai, Jin Mei ; Chang, Yih Leong ; Lee, Yung Chie ; Yu, Chong Jen ; Huang, Chi Ying F ; Yang, Pan Chyr. / Identification of trophinin as an enhancer for cell invasion and a prognostic factor for early stage lung cancer. In: European Journal of Cancer. 2007 ; Vol. 43, No. 4. pp. 782-790.
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