Prognostic significance of osteopontin expression in early-stage non-small-cell lung cancer View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2005-08

AUTHORS

L Boldrini, V Donati, M Dell'Omodarme, M C Prati, P Faviana, T Camacci, M Lucchi, A Mussi, M Santoro, F Basolo, G Fontanini

ABSTRACT

Osteopontin (OPN) is a multifunctional protein, which has recently been shown to be linked to tumorigenesis, progression and metastasis in different malignancies. Since non-small-cell lung cancer (NSCLC)'s prognosis remains bad, with few predictors of outcome, the purpose of this study was to evaluate if OPN might be involved in NSCLC's biology and therefore represent a prognostic marker and a target for new therapeutic trials. Immunohistochemistry was used to detect OPN expression, evaluated as percentage of neoplastic cells with cytoplasmic immunoreactivity, in a wide cohort of patients with stage I NSCLC (136 cases). The median value of this series (20% of positive cells) was used as the cutoff value to distinguish tumours with low (<20%) from tumours with high (> or =20%) OPN expression. A statistically significant correlation between high levels of OPN and shorter overall (P = 0.034) and disease-free (P = 0.011) survival in our patients was shown. Our results support the hypothesis that high OPN expression is a significantly unfavourable prognostic factor for the survival of patients with stage I NSCLC. This conclusion has notable importance in terms of the biological characterization of early-stage tumours and therapeutic opportunities. More... »

PAGES

453

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/sj.bjc.6602715

DOI

http://dx.doi.org/10.1038/sj.bjc.6602715

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1043556740

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/16091764


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